1. IOR/X/14506/II Reference (shelfmark): IOR/X/14506/II Title: Sheet II Singkawang GSGS 4215 First Edition 1941. Copied from Dutch map dated 1917. [Published] WO 1941. Photolithographed and printed WO. 11/41/G.S.G.S. Gridded. Collection Area: Map Collections Languages: English Date Range: Unspecified Extent: Two copies.