Paris, Unesco, 1965-1972; Hamburg, Deutsches Hydrographisches Institut, 1972. Eight parts and Index in nine. 4to (27.0 x 21.0 cm) 7967 pp. [I(1965): xvi, 915; II(1966): ix, 672; III(1966): ix, 984; IV(1967): x, 867; V(1968): ix, 834; VI(1969): ix, 1,389; VII(1971): x, 1,275; VIII(1972): x, 833; Index(1972): 116]; numerous text figures, tables, and maps. Uniform original printed wrappers.

Rare complete set of one of the main sources of information on the oceanography, zoology (mainly fish, but also crustaceans, molluscs, etc.), botany, geography, economic resources, etc. of the Indian Ocean, including the Persian Gulf, Bay of Bengal, and south to Madagascar and Kerguelen. The subjects are grouped under the following chapters: Marine Biology, Marine Chemistry, Physical Oceanography and Marine Meteorology, Marine Geology and Geophysics, Cruise and General Reports, together with papers presented by title only. A massive set. Rarely found complete. The index is identical in size and wrapper layout, but published in Hamburg. Printed compliments card from UNESCO loosely inserted. Numbers or label on foot of spines, small stamp on half-titles; otherwise a very good set. The last volumes and index are rare.