National Library of Medicine (U.S.)

• NLM catalog
• Alphabetical list of abbreviations of titles of medical periodicals employed in the index-catalogue of the library from vol. 1 to vol. 16, inclusive
• Catalogue of the Library of the Surgeon General's Office, United States Army ... v.3, 1874
• Excerpts from classics in allergy
• Guide to MEDLARS services
• IEEE advances in digital libraries 2000, May 22-24, 2000, Washington, D.C
• Index-catalogue of the Library of the Surgeon-General's Office ...: vol. 21; ser. 3, additional lists; ser. 4, vols. 10 and 11]. 1880-1895
• Index-catalogue Of The Library Of The Surgeon-general's Office, United States Army
• Index-catalogue of the Library of the Surgeon-General's Office, United States Army
• List of Books and Articles on Climatology and Meteorology in the Library of ...
• List of Serials Indexed for Online Users 2006
• List of Serials Indexed for Online Users, 2003 (National Library of Medicine, List of Serials Indexed for Online Users)