Book

Campbell, D.H. 1918. The Structure and Development of Mosses and Ferns (Archegoniatae). Third Edition, Revised and Enlarged. The Macmillan Company, New York / Macmillan & Co., Ltd., London, (Jan) 1918: [i]-x, 1-708. [preface (p. vii: "January, 1918")] ≡