Editore: Ontario Department of Mines Thirty-Third Annual Report, vol. 33, pt. 5, 1924 (1925), iii + 112 pp., 1925
Da: Eryops Books, Stephenville, TX, U.S.A.
Soft cover. Softcovers; ex-library; minor shelfwear; splits in paper covering at head and tail of spine; o/w in good condition.