The Geology of the Orkneys
His Majesty´s Stationery Office, Edinburgh, 1935, VIII 205 (4) s. + frontispiece + karta ( Quarter-inch Geological Map of Scotland, Sheet 3. Orkney Islands, 1932. Colour-printed, scale of four miles to one inch ), with 8 plates and 36 text figures, inb. dek. orig.klotbd., mkt. gott skick; Memoirs of the Geological Survey, Scotland