A MONOGRAPH OF THE AMMONOIDEA OF THE COWER GREENSAND; PART III
London: Palæontographical Society, 1961. Soft cover. Pages 119 through 216, with plates XXVI through XXXV. A very good plus copy. More
London: Palæontographical Society, 1961. Soft cover. Pages 119 through 216, with plates XXVI through XXXV. A very good plus copy. More
London: Palæontographical Society, 1960. Soft cover. Pages i-xxxvi [bibliography]; 1-44, plates I-X. A very good plus copy. More