1. IOR/X/14248/55O/NE Reference (shelfmark): IOR/X/14248/55O/NE Title: Sheet 55O/NE [Katangi] First Edition 1927, reprinted 1943. 1st Edition 1927; Reprinted 1943 with major corrections. Seasons 1912-13, 1923-24. Edition date 1927. Registered 1926. Heliozincographed SIO. Reg.No.2102 D'26 (D.O.4)-X'43. Grid IIIA (Yards) overprint. Collection Area: Map Collections Languages: English Date Range: Unspecified Extent: Three copies.