TY  - BOOK
AU  - Parsons,Frances Theodora
AU  - Smith,Alice Josephine
AU  - Satterlee,Marion
TI  - How to Know the Ferns: A Guide to the Names, Haunts and Habitats of Our Common Ferns
PY  - 2013///
PB  - Project Gutenberg
N1  - Public domain in the USA; Electronic text
UR  - http://www.gutenberg.org/ebooks/43167
ER  -