London Naturalist - London Natural History Society. (London Natural History Society, 1928)

London Naturalist - London Natural History Society. (London Natural History Society, 1929)

London Naturalist - London Natural History Society. (London Natural History Society, 1930)

London Naturalist - London Natural History Society. (London Natural History Society, 1931)

London Naturalist - London Natural History Society. (London Natural History Society, 1932)

London Naturalist - London Natural History Society. (London Natural History Society, 1933)

London Naturalist - London Natural History Society. (London Natural History Society, 1934)

London Naturalist - London Natural History Society. (London Natural History Society, 1935)

London Naturalist - London Natural History Society. (London Natural History Society, 1936)

London Naturalist - London Natural History Society. (London Natural History Society, 1937)

London Naturalist - London Natural History Society. (London Natural History Society, 1938)

London Naturalist - London Natural History Society. (London Natural History Society, 1939)

London Naturalist - London Natural History Society. (London Natural History Society, 1940)

London Naturalist - London Natural History Society. (London Natural History Society, 1944)

London Naturalist - London Natural History Society. (London Natural History Society, 1946)

London Naturalist - London Natural History Society. (London Natural History Society, 1947)

London Naturalist - London Natural History Society. (London Natural History Society, 1949)

London Naturalist - London Natural History Society. (London Natural History Society, 1952)

London Naturalist - London Natural History Society. (London Natural History Society, 1959)

London Naturalist - London Natural History Society. (London Natural History Society, 1972)

London Naturalist - London Natural History Society. (London Natural History Society, 1988)

London trees. Being an account of the trees that succeed in London, with a descriptive account of each species and notes on their comparative value and cultivation. With guide to where the finest London trees may be seen - Webster, A. D. (Angus Duncan), 1855 -1931 (The Swarthmore Press, 1920)

Lunds universitets årsskrift 2. Afd Medicin samt matematiska och naturvetenskapliga ämmen - Lunds universitet. (Universitets], 1918)

Lunds universitets årsskrift 2. Afd Medicin samt matematiska och naturvetenskapliga ämmen - Lunds universitet. (Universitets], 1919)

The lychee and lungan - Groff, George Weidman, 1884 -1954 (Orange Judd Company; [etc., etc.], 1921)

The Magazine of horticulture, botany, and all useful discoveries and improvements in rural affairs (Hovey and Co, 1857)

Magyar botanikai lapok = Ungarische botanische Blätter - Degen, Árpád von, 1866 -1934 (Müller Karoly Könyvnyomdaja aja, 1917)

Malaya botanical exploration - Botanic Gardens (Singapore) (1930)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1899)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1900)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1901)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1904)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1912)

A manual of dangerous insects likely to be introduced in the United States through importations - United States. Bureau of Entomology. (Govt. print. off, 1917)

A manual of dangerous insects likely to be introduced in the United States through importations - United States. Bureau of Entomology. (Govt. print. off, 1918)

Manual of fruit insects - Crosby, Cyrus Richard, 1879 -1937 (The Macmillan company, 1914)

Manual of fruit insects - Crosby, Cyrus Richard, 1879 -1937 (The Macmillan company, 1915)

A manual of Philippine birds - McGregor, Richard C. (Richard Crittenden), 1871 -1936 (Bureau of Printing, 1909)

A manual of the common invertebrate animals, exclusive of insects - Pratt, Henry Sherring, 1859 - (A.C. McClurg & Co, 1923)

A manual of the common invertebrate animals, exclusive of insects - Pratt, Henry Sherring, 1859 - (A.C. McClurg & co, 1916)

Manual of tropical and subtropical fruits, excluding the banana, coconut, pineapple, citrus fruits, olive, and fig - Popenoe, Wilson, 1892 -1975 (The Macmillan Company, 1920)

Manual of vegetable-garden insects - Leonard, Mortimer Demarest, 1890 - (The Macmillan company, 1918)

Marcellia - Institut de botanique de Strasbourg. (Pergamon Press [etc.], 1902)