The collection as a whole is rich in material on the Library, its day-to-day operations, and its growth. Especially of interest are the summary histories in Box 1, information on proposed new buildings, merger plans with the Library of Congress, and the very thorough records detailing Mary L. Marshall's role in the development of the AML Classification.

Typescript notes about data in various libraries and repositories relating to the history of the National Library of Medicine, including its predecessors. Much of the material pertains to the period when John Shaw Billings was librarian.

Contains both a typescript, 105 leaves, and the manuscript copy, 200 leaves, of Toepper's History of the Library of the Surgeon-General's Office.

Invoices for items purchased for the Surgeon-General's Office.