Title: American Orchid Society bulletin; supplementary index to plant illustrations 1972-1977, volumes 41-46 /
Authors: Hamilton, Robert M. 1912-; Hamilton, Robert M. 1912-
Publisher: R. M. Hamilton, 9211 Beckwith Rd.,
Year: 1978
Subjects: American Orchid Society. Indexes.; Orchids Pictorial works Indexes.