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The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1960)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1976)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1979)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1981)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1984)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1985)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1989)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1990)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1991)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1992)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1993)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1994)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1995)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1996)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1998)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1999)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2001)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2003)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2007)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2008)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2013)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2016)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2017)

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Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1915)

Catalogue of the books, manuscripts, maps and drawings in the British museum (Natural history) .... - Woodward, Bernard Barham, 1853 -1930 (Printed by order of the Trustees, 1922)

Catalogue of the books, manuscripts, maps and drawings in the British museum (Natural history) .... - Woodward, Bernard Barham, 1853 -1930 (Printed by order of the Trustees, 1933)

Catalogue of the books, manuscripts, maps and drawings in the British museum (Natural history) .... - Woodward, Bernard Barham, 1853 -1930 (Printed by order of the Trustees, 1940)

Catalogue of the British species of pisidium (recent & fossil) in the collections of the British Museum (Natural History), with notes on those of western Europe - Woodward, Bernard Barham, 1853 -1930 (Printed by order of the Trustees, 1913)

Catalogue of the Collection of Birds' Eggs in the British Museum - Oates, Eugene William, 1845 -1911 (1903)

Catalogue of the Collection of Birds' Eggs in the British Museum - Oates, Eugene William, 1845 -1911 (1905)

Catalogue of the Collection of Birds' Eggs in the British Museum - Oates, Eugene William, 1845 -1911 (1912)

Catalogue of the Fossil Bryozoa in the Department of Geology, British Museum (Natural History). The Cretaceous Bryozoa - Gregory, J. W. (John Walter), 1864 -1932 (1909)

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Catalogue of the Lepidoptera Phalænæ in the British museum - British Museum (Natural History). Department of Zoology. (Printed by Order of the Trustees, 1908)

Catalogue of the Lepidoptera Phalænæ in the British museum - British Museum (Natural History). Department of Zoology. (Printed by Order of the Trustees, 1909)

Catalogue of the Lepidoptera Phalænæ in the British museum - British Museum (Natural History). Department of Zoology. (Printed by Order of the Trustees, 1910)

Catalogue of the Lepidoptera Phalænæ in the British museum - British Museum (Natural History). Department of Zoology. (Printed by Order of the Trustees, 1912)

Catalogue of the Lepidoptera Phalænæ in the British museum - British Museum (Natural History). Department of Zoology. (Printed by Order of the Trustees, 1913)

Catalogue of the Lepidoptera Phalænæ in the British museum - British Museum (Natural History). Department of Zoology. (Printed by Order of the Trustees, 1914)

Catalogue of the Mesozoic plants in the Department of Geology, British Museum (Natural History) - Seward, A. C. (Albert Charles), 1863 -1941 (Trustees of the B.M, 1913)

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Check-list of the species of fishes known from the Philippine Archipelago - Jordan, David Starr, 1851 -1931 (Bureau of printing, 1917)

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The chromosomes - White, M. J. D. (Michael James Denham),‏ ‎ 1910 -1983 (Chemical Pub. Co, 1937)

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