Carl Christensen

5 books

Feb 27, 2018
Cover of A Monograph of the Genus Dryopteris, Vol. 1: The Tropical American Pinnatifid-Bipinnatifid Species (Classic Reprint)

A Monograph of the Genus Dryopteris, Vol. 1: The Tropical American Pinnatifid-Bipinnatifid Species (Classic Reprint)

Jan 30, 2014
Cover of Foundations of Music, Enhanced (with Premium Website Printed Access Code)

Foundations of Music, Enhanced (with Premium Website Printed Access Code)

Mar 15, 2012
Cover of The American Ferns of the Group of Dryopteris Opposita Contained in the U.S. National Museum...

The American Ferns of the Group of Dryopteris Opposita Contained in the U.S. National Museum...

Oct 7, 2010
Cover of A Monograph of the Genus Dryopteris Volume PT.1

A Monograph of the Genus Dryopteris Volume PT.1

Mar 28, 2010
Cover of A Monograph of the Genus Dryopteris (Volume 1)

A Monograph of the Genus Dryopteris (Volume 1)