Found in 2 Collections and/or Records:
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.
Leonard Leopold Mackall, American bibliographer, editor and collector was born in Baltimore on January 29, 1879. The collection consists of correspondence, scrapbooks, subject files and other research materials. The correspondence in the collection spans the years 1547 to 1937 with the bulk of the material spanning 1900-1937. There is additional information dating from 1949 regarding the collection after it was acquired by Johns Hopkins Libraries.