The origin of a land flora, a theory based upon the facts of alternation - Bower, F. O. (Frederick Orpen), 1855 -1948 (Macmillan and Co., Ltd, 1908)

The origin of a land flora : a theory based upon the facts of alternation - Bower, F. O. (Frederick Orpen), 1855 -1948 (Macmillan, 1908)

Florist's journal (How and Parsons, 1844)

Ornamental plants for immediate effects : autumn 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1936)

Ornamental plants for immediate effects : for the autumn of 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gardens of the Blue Ridge, 1937)

Ornamental plants for immediate effects : spring 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1937)

Østgrønlands vegetationsforhold - Hartz, N. (Nikolaj), 1867 -1937 (B. Lunos Kgl. Hof-bogtr, 1895)

Otia conchologica : descriptions of shells and mollusks, from 1839 to 1862 - Gould, Augustus A. (Augustus Addison), 1805 -1866 (Gould and Lincoln, 1862)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1899)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1910)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1913)

Our ferns in their haunts a guide to all the native species - Clute, Willard Nelson, 1869 -1950 (W. Briggs, 1901)

Our ferns in their haunts; a guide to all the native species - Clute, Willard Nelson, 1869 -1950 (F. A. Stokes Co, 1901)

Our ferns in their haunts; a guide to all the native species - Clute, Willard Nelson, 1869 -1950 (W. Briggs, 1901)

Our ferns in their haunts, a guide to all the native species - Clute, Willard Nelson, 1869 -1950 (Stokes, 1901)

Our native ferns and how to study them; with synoptical descriptions of the North American species - Underwood, Lucien Marcus, 1853 -1907 ([Leader Publishing Co., Printers], 1881)

Our native ferns and their alies : with synoptical descriptions of the American Pteridophyta north of Mexico - Underwood, Lucien Marcus, 1853 -1907 (H. Holt, 1896)

Our native ferns and their allies : with synoptical descriptions of the American Pteridophyta north of Mexico - Underwood, Lucien Marcus, 1853 -1907 (Leader Pub. Co, 1881)

Our native ferns and their allies : with synoptical descriptions of the American pteridophyta north of Mexico - Underwood, Lucien Marcus, 1853 -1907 (Henry Holt and company, 1888)

Our native ferns and their allies : with synoptical descriptions of the American Pteridophyta north of Mexico - Underwood, Lucien Marcus, 1853 -1907 (H. Holt, 1896)

Our native ferns and their allies; with synoptical descriptions of the American Pteridophyta north of Mexico - Underwood, Lucien Marcus, 1853 -1907 (H. Holt and company, 1888)

Our native ferns and their allies; with synoptical descriptions of the American "Pteridophyta" north of Mexico - Underwood, Lucien Marcus, 1853 -1907 (Holt, 1888)

Our native ferns and their allies; with synoptical descriptions of the American Pteridophyta north of Mexico - Underwood, Lucien Marcus, 1853 -1907 (H. Holt, 1900)

Our native ferns and their allies; with synoptical descriptions of the American Pteridophyta north of Mexico - Underwood, Lucien Marcus, 1853 -1907 (H.Holt, 1900)

Our native ferns and their allies with synoptical descriptions of the American Pteridophyta north of Mexico - Underwood, Lucien Marcus, 1853 -1907 (H. Holt, 1888)

Our native ferns and their allies with synoptical descriptions of the American pteridophyta north of Mexico - Underwood, Lucien Marcus, 1853 -1907 (H. Holt, 1900)

Our native ferns, or, A history of the British species and their varieties / by E.J. Lowe - Lowe, E. J. (Edward Joseph), 1825 -1900 (G. Bell & Sons, 1874)

Our native ferns; or, A history of the British species and their varieties - Lowe, E. J. (Edward Joseph), 1825 -1900 (Groombridge, 1865)