Richard B. Welbourn, with contributions by Stanley R. Friesen, Ivan D.A. Johnston, Ronald A. Sellwood ; foreword by Oliver H. Beahrs

Praeger 1990

alk. paper

所蔵館4館

edited by A.S. Duncan, G.R. Dunstan, and R.B. Welbourn

Crossroad 1981 New rev. ed

所蔵館12館

by R.A.D. Montgomery and R. B. Welbourn

Edward Arnold 1963

所蔵館2館