Research Databases

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Access Science »
This dynamic resource contains high-quality reference material that covers all major scientific disciplines. It is a gateway to scientific knowledge, with links to primary research material, videos and animations, plus specially designed curriculum maps for teachers. Check it out for help with science projects, STEM activities, and general science fun!
Ancestry Library Edition »
In library only
Ancestry® Library Edition is a collection of over 7,000 databases that contain billions of historical records including censuses, vital records, immigration records, family histories, military records, court and legal documents, directories, photos, and maps. Countries for which data is available include the United States, Canada, United Kingdom, Germany, China, and others. Available for In-Library Use only.
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Birds of North America Online »
Look here for comprehensive life histories for each of the 716+ species of birds breeding in the USA (including Hawaii) and Canada. Each species account also includes a comprehensive bibliography of research conducted on the species. The accompanying multimedia includes photos of various plumages, examples of sounds, and videos of interesting behaviors.
Business Collection »
A comprehensive business resource for the undergraduate researcher seeking company news, the public library patron making personal investment decisions, or the high school student looking to major in business administration, Business Collection provides full-text coverage of all business disciplines including accounting, economics, finance, marketing, management and strategy, as well as business theory and practice.
Business Economics and Theory Collection »
The Business Economics & Theory Collection offers instant access to full-text academic journals and magazines--with a strong emphasis on titles covered in the EconLit bibliographic index. Powered by InfoTrac, it includes more than 1,800 titles. Content is useful for starting a business, marketing a product, developing policy, analyzing trends, constructing economic models, investing for the future, researching rates, and more.
Business Premium Collection »
The most comprehensive business offering, comprising all content from ABI/INFORM Collection; Accounting, Tax and Banking Collection; Asian and European Business Collection; Business Market Research Collection; and Entrepreneurship Database. With global coverage in business and economics, the collection features thousands of full-text journals, dissertations, and working papers, as well as trade publications, market research reports and more.
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Chilton Library »
This auto repair database provides step-by-step instructions, pictures, and diagrams to help with vehicle maintenance and repair. Try the Vehicle Selector to select the year, make and model of your car. Then find further information like repair, maintenance, and bulletins/recalls.
Credo Reference »
Search hundreds of reference books, on subjects from Art to Technology.  Includes full text articles from dictionaries and encyclopedias, images, animations, and art reproductions.  Available from home - Log in with your 14 digit library card number.
CultureGrams »
CultureGrams™ is a leading reference for concise and reliable cultural information on the countries of the world. CultureGrams provides country reports that go beyond mere facts and figures to deliver a one-of-a-kind perspective on daily life and culture, including the background, customs, and lifestyles of the world's people.
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DemographicsNow »
Access a demographic report on any geography, the maps tab to view a simple map and the 2010 census files as they are released by the U.S. Census Bureau. Look here to for easy access to other data files in the future.
Digital Commons »
Digital Commons is a collection of the Portland Public Library featuring digitized materials that capture and preserve the history and community life of Portland, Maine. These materials are drawn from the library’s own collections and from partnering organizations in the region.
Digital Maine Library »
The Digital Maine Library provides every resident of Maine with access to online resources that include a collection of full text articles and abstracts from magazines, newspapers, journals and reference. It also provides students, business people, public library patrons, and higher education students and educators the ability to use online learning tools.Thousands of magazines, newspapers, and reference books are available anywhere in the State.
Directory of Venture Capital & Private Equity Firms »
Brings together both venture capital and private equity organizations into one comprehensive directory - updated, offering valuable, current, and detailed information entrepreneurs and businesses worldwide. Includes over 300 new firms and over 1,000 new partners. These numbers bring the total number of firms to over 3,000 firms, over 1,000 branches, and over 12,000 partners. In addition, more than 15,000 portfolio portfolio companies listed.
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EconLit »
This database is published by the American Economic Association and provides bibliographic coverage of a wide range of economics-related literature. An expanded version of the Journal of Economic Literature (JEL) indexes of journals, books, and dissertations, EconLit covers both economic theory and application. Also included are full-text of book reviews published in the Journal of Economic Literature since 1993.
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Heritage Quest »
HeritageQuest offers genealogy information, including census data, local history articles, revolutionary war records and more.
Home Improvement Reference Center »
Through a collection of comprehensive full-text content, this database provides users with detailed, user-friendly “how-to” information covering a variety of home improvement and repair projects. Subjects include: maintenance, remodeling, electrical work, decorating home and garden, outdoor improvements, plumbing, and wood projects.
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Internet Archive »
Internet Archive is a non-profit library of millions of free books, movies, software, music, websites, and more.
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Learning Express – Adult Core Skills »
Achieve your personal education and career goals. Build your math skills; become a better reader; improve your writing, speaking, and grammar; prepare for the GED® test; or become a U.S. Citizen.
Learning Express – Career Preparation »
Are you preparing for a professional exam? Are you curious about a particular occupation or looking to improve your workplace skills? Choose the Career Prep Center and begin your path to a bright future. Prepare for an entrance exam, occupation exam, join the military or become an officer, prepare for the WorkKeys® Assessments and the TOEIC®.
Learning Express – College Admissions & Test Prep »
Getting into college is an important step to building a strong future. First, you must do well on your college admission tests and write a personal essay that highlights your special talents. Use this center to get the resources you need to achieve your college preparation goals. Prepare for important exams like the ACT®, SAT®, AP®, PSAT/NMSQT®, TOEFL iBT® and IELTS™ Tests, and College Admissions Essay Writing.
Learning Express – College Students »
College Students Achieve your undergrad goals and prepare for future success. This center provides valuable resources that help college students strengthen their academic skills, prepare for placement tests, and get ready for graduate school entrance exams.
Learning Express – Computer Skills »
Video courses are the fastest and easiest way to learn how to use a computer. Use the materials in this center to learn the basics of computers, from searching the Internet to using popular programs for word processing, creating spreadsheets and databases, learning computer graphics and illustration, understanding your operating system, and more.
Learning Express – High School Equivalency Center »
Earning a high school equivalency credential can open the door to better income, a more fulfilling job, and a college education. If you are preparing for the GED® test, GED® en Español, HiSET® or TASC™ exams, our practice tests, interactive tutorials, and eBooks will help you reach your goal.
Learning Express – Recursos Para Hispanohablantes »
Este centro ofrece a los adultos que están muy ocupados los recursos para mejorar sus habilidades básicas, ganar sus credenciales de GED® o ser ciudadano estadounidense.
Learning Express – School Center »
Skill-building resources for classroom and homework success. Learn about how the resources in this center work with the Common Core State Standards. Elementary math and English language arts skills; Middle School math, English language arts, social studies skills and High School entrance exam prep including COOP, HSPT, SHSAT, SSAT, ISEE®.
LegalForms »
LegalForms provides a wide selection of state-specific (and multi-state) legal forms across the most popular legal areas. Includes real estate contracts, wills, pre-marital agreements, bankruptcy, divorce, landlord tenant and many others. Also included is a comprehensive attorney state directory and a dictionary of legal definitions explained in laymen's language.
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Maine News Index »
The Maine News Index (MNI) is a collection of abstracts that cover substantive Maine- or Portland-related articles published in local newspapers and magazines. MNI Online covers articles published from 1992 on. For the period 1945-1992, please consult the card file index in the Portland Room. Indexed periodicals include Down East, Mainebiz, Island Journal, Portland Monthly, and Casco Bay Weekly.
Maine Newsstand »
Each issue of each newspaper is indexed thoroughly, so researchers have access to not only top news stories but also the information contained on the various sections of the papers. The indexing covers not only complete bibliographic information but also companies, people, products, etc.
Medline »
Medline is the National Library of Medicine index to more than 3,600 journals covering all areas of clinical and experimental medicine, nursing, dentistry and health administration. Updated weekly.
Morningstar Investment Research Center »
Limit of 2 simultaneous users
Visit Morningstar Investment Research Center to access this data-rich site for company, stock, mutual fund, ETF and market information from in the library or visit Morningstar at home with your library card number.
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New York Times 1851-2014 »
This historical newspaper provides genealogists, researchers and scholars with online, easily-searchable first-hand accounts and unparalleled coverage of the politics, society and events of the time. The Historical New York Times 1851-2014 provides search capability using subject terms and topics for focused and targeted results in combination with searchable full text, full page, and article-level images from the Historical NYT.
Novelist K-8 Plus »
NoveList K-8 Plus is a database about books specifically for younger readers. It helps kids find books that are just right for their reading level and interests. Parents, teachers, and librarians can also find tools to teach with books and engage young readers.
Novelist Plus »
NoveList Plus is the premiere database of reading recommendations, available through libraries around the world. It is a comprehensive source of information about books that includes expert recommendations, reviews, articles, lists and more.
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Opposing Viewpoints in Context »
Opposing Viewpoints in Context is an online resource covering today's hottest social issues - helps students research, analyze, and organize a broad variety of data for conducting research, completing writing assignments, preparing for debates, creating presentations and more.
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Portland Jewish Oral History Project »
Photographs and oral history recordings with members of Portland's vibrant Jewish community are available here online. Bringing together Portraits of the Past: The Jews of Portland Dr. Konnilyn G. Feig, Director, commissioned by the Jewish Community Center, 1976 and The Oral History Project of Documenting Maine Jewry, supported by the Maine Humanities Council, 2009. For more information, contact: dmj@mindspring.com
Pronunciator Language Learning »
Self-paced language learning for 80 languages and ESL for 50 non-English languages. Audio lessons, interactive textbooks, intelligent flashcards, pronunciation analysis, phrasebooks, and quizzes.
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Reader’s Guide Retrospective: 1890-1982 »
The 1890-1982 is an online index to over 3 million articles from approximately 374 popular magazines.  Use this to search for articles and primary sources that pre-date the scope of the MARVEL!
ReferenceUSA »
Contains basic directory information for more than 210 million U.S. residents and 14 million businesses in all zip code areas of the United States. Information includes name of business, address, telephone number, headquarters, branch and subsidiaries identification, SIC codes, yellow pages headings, ticker symbol, credit rating, number of employees, and estimated sales volume. Also includes some federal, state, and municipal offices.
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Small Business Research Center »
Small Business Resource Center  search this database to learn how to start, finance or manage your small business.  Resources include; sample business plans, how to guides, articles and websites.
Small Engine Repair »
Small Engine Repair Reference Center has repair information for lawnmowers, water craft, ATVs, motorcycles, tractors, snowmobiles and more.
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TumbleBook Cloud Jr. »
Read-along books are great for early or shy readers. This collection for grades 3-8 features over 120 read-along books including classics and even Shakespeare.
TumbleBooks »
TumbleBooks are animated, talking picture books which teach kids the joy of reading in a format they'll love. They are created by taking existing picture books, adding animation, sounds, music and narration to produce an electronic picture book (and some classics) which you can read, or have read to you.
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Value Line »
Limit of 2 simultaneous users
Value Line is an investment management solution, providing in-depth financial information, research, and advanced analytical tools for new and experienced investors. The Investment Survey contains up-to-date, weekly issues. For each stock in its universe it offers year-ahead and 3-to-5-year probable relative price performance, projections of key financial measures, and concise, objective commentary on current operations and future prospects.
Value Line Investment Survey: Small and Mid-Cap »
Limit of 2 simultaneous users
The Small and Mid-Cap Survey offers full-page reports on ~1800 smaller stocks. Each page contains current and historical financial information and stock price data. Includes Performance rank, adapted from the well-known Value Line Timeliness rank, and is designed to predict a stock's relative price performance for the next 6-12 months. From "Dashboard", click "Browse Research" (top), then "Small & mid-cap featured" (right side).
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