Jacobsen, Hermann Johannes Heinrich: A handbook of succulent plants. Descriptions, synonyms and cultural details for succulents other than cactaceae.  
Jacobsen, Hermann Johannes Heinrich
A handbook of succulent plants. Descriptions, synonyms and cultural details for succulents other than cactaceae.
(London, Blandford Press, 1960, 1. English edition), Brussel, Jos. Adam, 1974, reprint, 3 volumes: - 1, pp. xv, 1-489; - 2, pp. [vii], 491-912; - 3, pp. [viii], 913-1442; 1617 text-illustrations and 3 maps, large 8vo (168 x 240 mm), cloth. Well preserved set.
150