The fonds consists of Dr. Roland's files principally in relationship to his research on Sir William Osler and to his activities in the American Osler Society

The fonds consists mainly of a bound notebook that Mussen kept with notes on his experimental investigations. Includes mounted photographs of brain specimens and animal subjects. Fonds also contains loose manuscript notes and two overhead projector transparencies.

Fonds documents the friendship between Mrs. Alice Russel and Dr. Abraham Flexner. It also includes documents collected by Mrs. Russel on Sir William Osler and Maude Abbott. The fonds contains correspondence and newspaper clippings.