Series consists of minutes of meetings of the Board along with correspondence, reports, financial records, recommendations for staff appointments, curriculum vitae, hospital by-laws and other documentation referred to in the minutes. Series reflects the involvement of the Board with the establishment and maintenance of the Ontario Cancer Institute/Princess Margaret Hospital, and the Board's relationship with the University of Toronto and other teaching hospitals. Minutes of the Board had been kept in nine separate binders, within which minutes were filed in reverse chronological order. Files have been arranged chronologically by date.

Series consists of minutes of the Joint Conference Committee of the Board. Minutes of the Board had been kept in one separate binder, within which minutes were filed in reverse chronological order. The files have been arranged chronologically by date.

Series contains the Building Management Committee minutes from 1992 to 1994.

Minutes of the Building Management Committee had been kept in one separate binder, within which minutes were filed in reverse chronological order. The files have been arranged chronologically by date.

Series consists of minutes of meetings of the Board Planning Committee for 1993 to 1996. The minutes had been kept in a single binder and have been arranged in chronological order.

Series consists of minutes of meetings of the Board Research Committee for January and February of 1996.

Series consists of minutes of the Clinical Trials Committee of the Medical Advisory Committee. Minutes of the Clinical Trials Committee from 1977-1995 had been kept in three separate binders, within which minutes were filed in reverse chronological order. The files have been arranged chronologically by date. Minutes for 1997 had been kept chronologically; their original order has been maintained.

Series consists of accounts and correspondence of the Ontario Cancer Institute; minutes of the Board of Trustees and the Building Committee; lecture notes, speeches and memorandums; reprinted articles; grant applications and correspondence regarding Dr. Ash's research on adrenalectomy; minutes and reports from the Ontario Cancer Treatment & Research Foundation; correspondence by Dr. Gordon E. Richards, President of the Ontario Institute of Radiotherapy; cancer statistics and annual reports from the Ontario Institute of Radiotherapy; and minutes of the National Cancer Institute. Records reflect the varied administrative, teaching and research activities undertaken by Dr. Ash while Director of the Ontario Cancer Institute and contain files relating to his previous and concurrent positions as radiologist under Dr. Gordon E. Richards at Toronto General Hospital(1940-1949), senior radiologist at the Toronto General Hospital (from 1949), Professor of Radiotherapy at the University of Toronto and Radiotherapist in Chief to The Toronto General Hospital. Records do not include files from the offices of subsequent holders of this position. The statistics files include cancer statistics from 1924 to 1956. Files 2.50-2.57 relate to the Ontario Cancer Treatment and Research Foundation. Files 2.84-2.108 are the files of the President of the Ontario Institute of Radiotherapy which were created at the Toronto General Hospital and probably accumulated by Dr. Ash in 1949 when he was appointed Senior Radiologist at the Toronto General Hospital. Dr. Ash probably brought these files with him to the Ontario Cancer Institute when he became Director. Files have been arranged as close as possible to the order in which they were found, although the original order had probably been tampered with prior to their transfer to the Archives.

Gaps exist in the records between 1926 and 1934, 1966 and 1969, and 1969 and 1975.

Series consists of policy manuals from The Toronto Hospital, Ontario Cancer Institute/Princess Margaret Hospital, and University Health Network which have been superseded.

Series consists of minutes of meetings of the Executive Committee of the Board and its subcommittee meeting minutes. Series includes minutes from the following subcommittee: Department Heads & Senior Staff Committee. Files are arranged by committee, and then chronologically by date, as per original binders. Minutes of the Executive Committee of the Board had been kept in eight separate binders, within which minutes were filed in reverse chronological order. Files have been arranged chronologically by date. There is one subseries:

2A) Department Heads & Senior Staff Committee

Series consists of the minutes of the Board Quality Assurance Committee (1989-1990) and the Quality & Resource Management Committee (1990-1995). The minutes had been kept in three separate binders, within which minutes were filed in reverse chronological order. The files have been arranged chronologically by date.