Unwin, Charles. Unwin's flowering bulbs in colour for garden, home and greenhouse : a practical guide by experts / Charles Unwin. - London : Hamlyn, c1973. - 78 p. : ill. ; 25 cm. ISBN: 060031295X Subjects--Topical Terms: Bulbs (plants).Gardening bulbs. Dewey Class. No.: 635.944 / UNU