Ross-Craig, Stella. <br/><br/>
Drawings of British plants :   being illustrations of the species of flowering plants growing naturally in the British Isles / 
by Stella Ross-Craig. Parts 14-18, Adoxaceae, Caprifoliaceae, Rubiaceae, Valerianaceae, Dipsacaceae, Compositae. 
 - London :  Bell,  1960-63. 
 - (173) plates :  ill. ;  25 cm.