R
Reg Ragland
Walter Ransom
F. E. W. Hanger, V. M. H. A. Ravenscroft
Maunsell Van Rensselaer
Selection and Propagation of Functional Shade and Street Trees
Published Spring 1958
J. E. Repton
Horticultural Technical Training Toward the Future
Published Summer 1958
Alfred W. Roberts
T. C. Robertson
W. W. Robinson
Woman of California: Susanna Bryant Dakin
Published December 1968
Bill Robinson
Fred W. Roewekamp
Southern California Horticultural Institute 1952-1953
Published Autumn 1953