A guide to the Ordnance Survey one-inch New popular edition /
Oliver, Richard R.
Charles Close Society for the Study of Ordnance Survey Maps.
London : The Charles Close Society for the study of Ordnance Survey maps,
2000.
"A substantial part of this work was published in 1987 as A guide to the Ordnance Survey one-inch New Popular Edition and Scottish Popular Edition with National Grid, with a second edition in 1989" - T.p. verso.
Cartography