Thesaurus Woolwardiae orchids of the Marquis of Lothian edited by Phillip J. Cribb & Carlyle A. Luer. - New York: American Orchid Society, 1993. - 4volume : ill.ustrations; 42 cm. ISBN: 0915279185 (4 volume set) RM984.00 Subjects--Topical Terms: Orchids--Pictorial works.Orchids.