William G. MacCallum Collection
Organized and catalogued by Ruth Anne Becker
Alan Mason Chesney Medical Archives of the Johns Hopkins Medical Institutions
5801 Smith Ave., Suite 235
Finding aid created 1981
Encoded by Phoebe Evans Letocha
The William G. MacCallum Collection was organized and catalogued by Ruth Anne Becker in 1981. The project was supported by a grant from the NIH National Library of Medicine (LM 03594). In 2008, Medical Archives student assistant Emma Graf converted the finding aid to the catalog.