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 Digital Maine Library.
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.