[Ordnance Survey of] Guernsey.
Great Britain.Ordnance Survey.
Southampton : Ordnance Survey,
1900-
Initial survey 1898-99.
Various eds.
The 1963 maps are revised by B.K.S. Air Survey Ltd. and published by States of Guernsey.
II.6 (1900) -- II.10 (1900) -- II.11 (1963) -- II.15 (1963) -- III.7 (1900) -- IV.5 (1963) -- IV.6 (1963) -- IV.7 [Fort George] (1939) -- IV.11 (1939)