Royal Court of Guernsey/States of Guernsey

Approx. 11,500 maps and plans, plus 4 volumes of OS 1:2,500. Topography of Guernsey including 1:10,560 (1787), and 1:2,500 (1898, 1938, 1962 and 1979). Planning maps (1:5,000) from 1972 onwards. Public development plans, including land reclamation, harbour, airport, etc. Boundary plans accompanying conveyances.

Enclosure maps for Guernsey and Alderney (1831 and 1834).