BRUCE, DONALD.
Forest mensuration, by Donald Bruce & Francis X. Schumacher. 2d ed.
BRUCE, DONALD. Forest mensuration, by Donald Bruce & Francis X. Schumacher. 2d ed. © 7Feb42; A161431. David Bruce, Roger I. Bruce & Margaret B. Rood (C of D. Bruce) & Muriel M. Schumacher (W); 12Sep69; R468365.
David Bruce, Roger I. Bruce & Margaret B. Rood|C of D. Bruce||Muriel M. Schumacher|W