About S.D. Clark S.D. Clark (1910-2003) was a professor and the Chairman of the Department of Sociology at the University of Toronto. Books by S.D. Clark Church and Sect in Canada Third Edition by (author) S.D. Clark Urbanism and the Changing Canadian Society edited by S.D. Clark Movements of Political Protest in Canada 1640-1840 by (author) S.D. Clark The Suburban Society by (author) S.D. Clark The Developing Canadian Community Second Edition by (author) S.D. Clark