Allen Weir Freeman was a physician and Johns Hopkins University of Public Health Administration born in 1881, and was brother of the author, Douglas Southall Freeman. Collection consists of letters to and from Freeman family members (dating 1904 - 1907) while Allen Weir Freeman was a medical student and during the start of his career.

Douglas Southall Freeman (1886 – 1953) was an American historian, biographer, newspaper editor, and author best known for his multi-volume biographies of Robert E. Lee and George Washington. The collection spans the years 1902-1911, and consists primarily of correspondence between Freeman and his parents.

John Martin Vincent (1857-1939) years was a Professor of European History at Johns Hopkins University. This collection consists of correspondence, scrapbooks, subject files, and personal materials ranging in date from 1881 to 1925. The bulk of the material is correspondence dating from 1900-1910.

A committee was formed in 1940 to celebrate the centenary of poet Sidney Lanier's birth, February 3, 1842. The collection consists of the correspondence of Elinor Pillsbury recruiting members of the National Lanier Centennial Committee, dating from 1939 through 1945.