VAN DER LAAN, H. L. The Sierra Leone Diamonds. An Economic Study Covering the Years 1952-1961. OUP, 1965.
8vo. Original cloth, spine lettered in gilt, illustrated wrappers; pp. xi, 234, plates after photographs, diagrams in the text; apart from marginal flaws to wrapper a very good copy.
First edition, uncommon of the first comprehensive study of the subject. - Sinkankas 6808.
Provenance: De Beers, with their library bookplate and stamp on front fly-leaf.