Biodiversity Heritage Library
By "Williamson, John, 1857-1884"
Ferns of Kentucky : with sixty full-page etchings and six wood-cuts, drawn by the author, illustrating structure, fertilization, classification, genera, and species /
By: Williamson, John,
Publication info: Louisville (Ky.) :Printed by J.P. Morton & Co., W. Main Street,1878
Holding Institution: NCSU Libraries (archive.org)