David Spring was a professor of history at Johns Hopkins University for forty years (1949-1989). The collection contains notes and references from manuscripts researched by Dr. Spring while in Britain, photocopies of manuscript pages, and course lecture notes. Exact collection dates are unknown, since the collection has not been processed.

Francis John Pettijohn (1904-1999) was an American geologist.This collection consists of research materials and notes from 1929 through 1951. This collection is unprocessed.

Georg Hans Bhawani Luck (1926-2013) was a Swiss classicist known for his studies of magical beliefs and practices in the Classical world. For over twenty years he was a professor at the Johns Hopkins University in Baltimore, Maryland. This collection includes the professional papers of Luck, primarily typewritten speeches, annotated drafts of his writings, and some correspondence and research notes. The papers span from 1948 to the 2010s.

Dr. Harriet Greif was a professor and author. This collection consists solely of research materials for a book on Emilio Prados, a Spanish poet. The materials include microfilms, notebooks, and annotated research guides and date from the 1960s to 1980s.