PUCPR Search for 'an:287963'

Manual of pteridology

By Verdoorn, Frans.
The Hague M. Nijhoff 1938 .
1 p.l., [vii]-xx, 640 p. , Some of the articles are in German. 25 cm..

By Verdoorn, Frans.
The Hague M. Nijhoff 1932 .
viii p., 1 b., 486 p. , Articles in German, French or English. 25 cm..

By Verdoorn, Frans.
New York Ronald Press 1945 .
xxxvii, 381 p. , "First published MCMXLV by Chronica Botanica Company." 27 cm..