1. IOR/X/14240/93M (2) Reference (shelfmark): IOR/X/14240/93M (2) Title: Sheet 93M : Sheet F-47D Keng Ma GSGS 4218 First Edition 1943. Compiled and published originally SGI 1943. Published WO 1943. Heliographed OSO 1943. 2500/10/43/16 M.R.S. R.E. Grid IIB (Yards). Collection Area: Map Collections Languages: English Date Range: Unspecified Extent: Three copies.