The Scientific American magazine from the 19th century is indexed online, and should be used in conjunction with Interlibrary Loan. Interlibrary Loan Journal articles and books not found in Trexler Library can be ordered through Interlibrary Loan . To verify the availability of a book, consult WorldCat , and for journal availability, UnionList . To check on any online access through subscriber database to a particular journal title, see jake . For directions on how to use the highly controlled search mechanism, consult Altavista Main and Advanced Search Elements .
Web directories vary in restrictiveness, but all have some sort of rating system for site inclusion.
Some of the best sites on the web are those that offer primary documentation, sites typically hosted by a government agency or educational institution. The National Library of Medicine is one such site, providing reliable primary documentation in the form of Images from the History of Medicine . A gateway that points to primary text sites is Medical History on the Internet . The site is not exclusive to American history, and some links do not offer primary documents up front. Style guides Trexler Library's MLA Style Examples offers models for citing print and electronic sources in a bibliography.