University of Toronto. Dept. of Astronomy.
University of Toronto Department of Astronomy records, 1972-1974.
Files of the Director (Donald MacRae) relating to the events celebrating the 500th anniversary of the birth of Copernicus including the visit of Dr. Wilhelmina Iwanowska of the Nicholaus Copernicus Observatory, University of Torun, Poland.
Copernicus, Nicolaus, 1473-1543
Uniwersytet Mikoaja Kopernika w Toruniu. Obserwatorium Astronomiczne
University of Toronto. Dept. of Astronomy -- Administration.
MacRae, Donald.
Astronomy -- Study and teaching.
AIP-ICOS
University of Toronto. University Archives. 120 St. George St., Toronto, Ontario M5S 1A5, Canada