"Varens." . . "Fougères Grande-Bretagne." . . "Botany." . . "Pteridophyta." . . . . . . . . . . . . . . . . . . "The ferns of Great Britain ; The fern allies : a supplement to the ferns of Great Britain : the descriptions, synonyms" . . . . . "The ferns of Great Britain"@en . . . . . "The ferns of great britain, illustrated by john e. sowerby"@en . . . . . "The Ferns of Great Britain" . . "The ferns of Great Britain. The descriptions, synonyms, &c"@en . . . "Ferns of Great Britain"@en . . . . . . .