The Fern bulletin - Clute, Willard Nelson, 1869 -1950 (W. N. Clute & Co, 1905)

The Fern bulletin - Clute, Willard Nelson, 1869 -1950 (W. N. Clute & Co, 1906)

The Fern bulletin - Clute, Willard Nelson, 1869 -1950 (W. N. Clute & Co, 1907)

The Fern bulletin - Clute, Willard Nelson, 1869 -1950 (W. N. Clute & Co, 1908)

The Fern bulletin - Clute, Willard Nelson, 1869 -1950 (W. N. Clute & Co, 1909)

The Fern bulletin - Clute, Willard Nelson, 1869 -1950 (W. N. Clute & Co, 1911)

The Fern bulletin - Clute, Willard Nelson, 1869 -1950 (W. N. Clute & Co, 1912)

The fern-collector's guide; where to find and how to name the ferns - Clute, Willard Nelson, 1869 -1950 (Frederick A. Stokes Co, 1902)

Fern etchings : illustrating all the species of ferns indigenous to the Northeastern United States and Canada - Williamson, John, 1857 -1884 ([publisher not identified], 1879)

The fern flora of Canada - Lawson, George, 1827 -1895 (MacKinlay, 1889)

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

The Fern gazette - British Pteridological Society. (British Pteridological Society, 1979)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 1985)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 1991)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2000)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2002)