1. BM/DPB/PK Reference (shelfmark): BM/DPB/PK Title: Records of the Principal Keepers in the Department of Printed Books Collection Area: Corporate Archives Languages: English Date Range: 1836-1971 Extent: 154 volumes, 178 Files, 4 drawers of index cards
2. BM/DPB/MAPS Reference (shelfmark): BM/DPB/MAPS Title: Department of Maps, Charts, Plans and Topographical Drawings Collection Area: Corporate Archives Languages: English Date Range: 1857-1910 Extent: 17 volumes