Hall, Daniel, Sir, 1864-1942. The genus Tulipa, by Sir A. Daniel Hall ... with forty illustrations in colour by H.C. Osterstock. - London, The Royal horticultural society, 1940. - viii, 171 p. illus., plates (part col.) 26 cm. "References in text": p. 161-162. LCCN: agr41000420 Subjects--Topical Terms: Tulips. LC Class. No.: QK495.T9 / H3