Publicado por Geological Survey of Canada Paper 61-27, 1962, 10 Pp., 1962
Librería: Eryops Books, Stephenville, TX, Estados Unidos de America
Soft Cover. Condición: Very Good. Softcovers; minor shelfwear w/ light creasing of corners of wraps and leaves; o/w in very good condition.
Publicado por Trans Royal Soc Canada, 1957
Librería: Larry W Price Books, Portland, OR, Estados Unidos de America
Pamphlet. Condición: Very Good. Sec 4, pp. 5- 11, Illus, Extracted from orig vol, thus begins with title page, trimmed & stapled pamphlet, else VG.
Publicado por Geological Survey of Canada Paper 67-16, 1967, 82 Pp., 1967
Librería: Eryops Books, Stephenville, TX, Estados Unidos de America
Soft Cover. Condición: Very Good. Softcovers; ex-corporate library; minor shelfwear; o/w in very good condition.
Publicado por Geological Survey of Canada, Ottawa, ON, Canada, 1959
Librería: Post Horizon Booksellers, Moose Jaw, SK, Canada
Soft cover. Condición: Very Good +. Geological Survey of Canada Bulletin 52. ix, 67pp w bibliography. One plate. Three folded figures in rear pocket collated to Contents. Titled card wrapper is clean and without wear. Binding is sound.