Dartmoor : a description of the O. S. one-inch Dartmoor tourist map, which corresponnds to an area shown on parts of the O. S. one-inch sheets nos 175 (Okehamptom), 176 (Exeter), 186 (Launceston), 187 (Plymouth) and 188 (Torquay)
Denys Brunsden
Bok Engelsk 1968