List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1948)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1931)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1968)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1973)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1977)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1978)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1963)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1984)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1985)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1961)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1987)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1980)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1983)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1964)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1986)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1982)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1962)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1965)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1966)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1967)

List of seeds - Giardino Botanico Hanbury (Mortola, Italy) (G.A. Koenig, 1900)

List of seeds - Giardino Botanico Hanbury (Mortola, Italy) (G.A. Koenig, 1901)

List of seeds - Giardino Botanico Hanbury (Mortola, Italy) (G.A. Koenig, 1905)

List of seeds - Giardino Botanico Hanbury (Mortola, Italy) (G.A. Koenig, 1906)

List of seeds - Giardino Botanico Hanbury (Mortola, Italy) (G.A. Koenig, 1907)

List of seeds - Giardino Botanico Hanbury (Mortola, Italy) (G.A. Koenig, 1909)

List of seeds - Giardino Botanico Hanbury (Mortola, Italy) (G.A. Koenig, 1911)

List of seeds - Giardino Botanico Hanbury (Mortola, Italy) (G.A. Koenig, 1912)

List of seeds - Giardino Botanico Hanbury (Mortola, Italy) (G.A. Koenig, 1913)

List of seeds - Giardino Botanico Hanbury (Mortola, Italy) (G.A. Koenig, 1919)

List of seeds - Giardino Botanico Hanbury (Mortola, Italy) (G.A. Koenig, 1920)

List of seeds - Giardino Botanico Hanbury (Mortola, Italy) (G.A. Koenig, 1922)

List of seeds - Giardino Botanico Hanbury (Mortola, Italy) (G.A. Koenig, 1927)

List of seeds - Giardino Botanico Hanbury (Mortola, Italy) (G.A. Koenig, 1929)

List of seeds - Giardino Botanico Hanbury (Mortola, Italy) (G.A. Koenig, 1930)

List of seeds - Giardino Botanico Hanbury (Mortola, Italy) (G.A. Koenig, 1931)

List of seeds - Giardino Botanico Hanbury (Mortola, Italy) (G.A. Koenig, 1932)

List of seeds - Giardino Botanico Hanbury (Mortola, Italy) (G.A. Koenig, 1936)

List of seeds collected during ... - Royal Botanic Garden, Edinburgh. (Printed for Her Majesty's Stationery Office, 1908)

List of seeds collected during ... - Royal Botanic Garden, Edinburgh. (Printed for Her Majesty's Stationery Office, 1909)

List of seeds collected during ... - Royal Botanic Garden, Edinburgh. (Printed for Her Majesty's Stationery Office, 1913)

List of seeds collected during ... - Royal Botanic Garden, Edinburgh. (Printed for Her Majesty's Stationery Office, 1895)

List of seeds collected during ... - Royal Botanic Garden, Edinburgh. (Printed for Her Majesty's Stationery Office, 1902)

List of seeds collected during ... - Royal Botanic Garden, Edinburgh. (Printed for Her Majesty's Stationery Office, 1904)

List of seeds collected during ... - Royal Botanic Garden, Edinburgh. (Printed for Her Majesty's Stationery Office, 1905)

List of seeds collected during ... - Royal Botanic Garden, Edinburgh. (Printed for Her Majesty's Stationery Office, 1919)

List of seeds collected during ... - Royal Botanic Garden, Edinburgh. (Printed for Her Majesty's Stationery Office, 1920)

List of seeds for exchange - Trinity College (Dublin, Ireland). Botanic Gardens. (Trinity College Botanic Gardens, 1915)

Lista de las plantas encontradas hasta ahora en Costa Rica y en los territorios limítrofes : extractada de la "Biologia centrali-americana." - Alfaro, Anastasio, 1865 -1951 (Tip. Nacional, 1888)

The London and Edinburgh philosophical magazine and journal of science (Richard and John E. Taylor, 1837)

Lotos - Deutscher Naturwissenschaftlich-Medizinischer Verein für Böhmen "Lotos." (Verlag des Deutschen Naturwissenschaftlich-Medizinischen Vereines für Böhmen "Lotos", 1907)

Lotos : Zeitschrift für Naturwissenschaften - Deutscher Naturwissenschaftlich-Medizinischer Verein für Böhmen "Lotos." (1857)

Lotos : Zeitschrift für Naturwissenschaften - Deutscher Naturwissenschaftlich-Medizinischer Verein für Böhmen "Lotos." (1859)

Madagascar: an environmental profile (1987)

Madagascar: profil de l'environnement (1990)

Madras Journal of Literature and Science - Madras Literary Society. (Madras Literary Society, 1836)

Madras Journal of Literature and Science - Madras Literary Society. (Madras Literary Society, 1837)

Madras Journal of Literature and Science - Madras Literary Society. (Madras Literary Society, 1838)

Madras Journal of Literature and Science - Madras Literary Society. (Madras Literary Society, 1839)