Herbert Baxter Adams (1850-1901) was an American educator and historian. The collection consists of material spanning 1851-1903. The materials include correspondence, lectures, writings, research material, files related to Johns Hopkins University, the United States Bureau of Education, the American Historical Association Committee of Seven, personal files, and prints and photos.

Ira Remsen, American chemist, educator and second President of Johns Hopkins University was born in New York City on February 10, 1846. The collection spans the years 1868 - 1938. The material consists of correspondence, speeches, publications, lectures and lecture notes, notebooks, scrapbooks, newspaper clippings, photographs, reprints, books annotated by Remsen, and memorabilia.

James Roberts Gilmore (1822-1903) was an American author who often used the pseudonym "Edmund Kirke." This collection includes letters collected by Gilmore from literary, political, and popular individuals of the 19th century. The letters span the years 1820 to 1903.

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.