Author: Sa'ad, F.el Z.M.A., 1967.:
Title: The Convolvulus species of the Canary Isles, the Mediterranean region and the Near and Middle East.
Description: Utrecht. 8vo, 23.3cm. Pp. 288, very numerous detailed drawings on 19 plates, refs. Paperbound, orig. printed wrappers. Spine a bit sunned, very good otherwise. - Doctoral dissertation, University of Utrecht.

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