11 cubic feet, 1938-1970. Research studies (hist and node, carcinoma of cervix, pelvic exenteration, etc.), publications, lectures, Operating Procedures manual.

.33 cubic ft., 1885-1974. Affiliations, biographical info, correspondence relating to the biography of Dr. James Ewing by Dr. Hayes Martin, historical materials on Memorial Hospital.

Contains Update in Gynecologic Oncology newsletter and miscellaneous materials including a conference announcement.

2.3 cubic feet. Consists of correspondence, papers, lectures, and photographs, particularly pertaining to the topics of lung cancer and thoracic service.

4.3 cubic feet. Correspondence, reprints, speeches, meeting files, subject files, films, videotapes regarding cryosurgery, mediatinoscopy, tobacco studies, and instrument brochures. Contains information relating to the cryosurgical techniques pioneered in the mid 1960s by William G. Cahan. Publicity surrounding Dr. Cahan's surgical procedures led to his receiving numerous letters containing pleas for assistance from people afflicted with various ailments.