Edwin Charles Cort received his M.D. from Johns Hopkins University in 1907 and was a medical missionary in Siam (Thailand) from 1908 intil 1949. This collection consists of an essay entitled "Thirty Years of Medical Practice in Siam" from approximately 1948.

This collection consists of Hugh Hawkins including a two volume typescript of Hawkins' published work Pioneer : a history of the Johns Hopkins University, 1874-1899 and other material, including correspondence and photographs.

Lester S. Levy was a music historian and sheet music collector. His music papers contain correspondence, speeches, printed material, and bills related to his collecting activities.

The collection consists of a few items of correspondence, clippings, pamphlest, and a partially typed manuscript of "The Algebra of Probably Inference."

Collection consists of draft of manuscript "Melos."