Published Mar. 1950. Part 1: Indian Ocean 40 gN-40 gS., 15g-125 gE. 218p. -Part 2: North Indian Ocean Og-40 gN., 40 g-105 gE. 219-528p.
Weather in the Indian Ocean. Vol.3, Aids to forecasting. Published by H.M.S.O in 1943. Publication and catalogue information, links to buy online and reader comments.