This subseries contains research files and writings by William Feindel on diverse subjects. Topics include: William Osler and his practice and connection to Wilder Penfield and the Montreal Neurological Institute; Mayans; China; Japan; and the history of medicine including on various individuals and techniques.

This subseries contains proceedings and documents related to professional organizations and associations, including meeting minutes, applications, and committee meetings. Also included are details regarding William Feindel’s appointments to professional associations and documentation on the William Osler Society and the Osler Library.

This subseries contains William Feindel’s research on Thomas Willis. Included are materials related to events on Thomas Willis and documentation on a book Feindel edited on Willis.

This subseries consists of an assortment of research, papers, and photographs on Wilder Penfield collected by William Feindel.

This subseries contains research documents pertaining to William Feindel’s work at McGill University other than his role at the Montreal Neurological Institute, including his work for faculty clubs.