American fern journal - American Fern Society. (American Fern Society, 1999)

The American Palaeozoic fossils : a catalogue of the genera and species, with names of authors, dates, places of publication, groups of rocks inwhich found, and the etymology and signification of the words, and an introduction devoted to the stratigraphical geology of the Palæozoic rocks - Miller, S. A. (Samuel Almond), 1836 -1897 (Miller, 1877)

Bulletin - British Pteridological Society. (the Society, 2000)

Bulletin - British Pteridological Society. (the Society, 2000)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 1974)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2005)

Hardy Fern Foundation quarterly - Hardy Fern Foundation. (The Hardy Fern Foundation, 1998)

Hardy Fern Foundation quarterly - Hardy Fern Foundation. (The Hardy Fern Foundation, 2007)

Pteridologist - British Pteridological Society. (The Society, 1990)

Pteridologist - British Pteridological Society. (The Society, 1999)

Pteridologist - British Pteridological Society. (The Society, 2000)

Pteridologist - British Pteridological Society. (The Society, 2000)

Pteridologist - British Pteridological Society. (The Society, 1990)

Pteridologist - British Pteridological Society. (The Society, 1996)

Triennial report - Botany Division - Department Of Industrial Research Botany Division. (1976)

Triennial report - Botany Division - Department Of Industrial Research Botany Division. (1980)