Published in Journal of Research on the Lepidoptera, in 1972, in volume 11, issue 2, pages 65-80
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1921, pages 1-0
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1952, in 1884, pages 1-7
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1927, in 1878, pages 1-0
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1901, in 1867, pages 1-0
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1899, in 1860, pages 1-0
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1897, in 1860, pages 1-0
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1895, in 1859, pages 1-0
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1923, in 1874, pages 1-0
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1917, in 1873, pages 1-2
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1913, in 1873, pages 1-2
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1971, in 1885, pages 1-2
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1907, in 1871, pages 1-0
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1905, in 1871, pages 1-0
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1925, in 1875, pages 1-0
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1903, in 1870, pages 1-0
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1910, in 1873, pages 1
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1990, in 1887, pages 1-2
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1975, in 1886, pages 1-2
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1979, in 1886, pages 1-2
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1983, in 1886, pages 1-3
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1973, in 1886, pages 1-2
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-2125, pages 1-2
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-2021, pages 1-5
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-2080, in 1890, pages 1-2
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1909, in 1871, pages 1
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-2123, in 1895, pages 1-2
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-2017, pages 1-4
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-2060, pages 1-9
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-2054, pages 1-6
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1948, in 1884, pages 1-2
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1950, in 1884, pages 1-2
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1929, in 1880, pages 1-31
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1931, in 1881, pages 1-2
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1933, in 1881, pages 1-4
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1937, in 1881, pages 1-2
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1939, in 1881, pages 1-2
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1941, in 1882, pages 1-2
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1943, in 1882, pages 1-2
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1945, in 1884, pages 1-3
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1966, in 1884, pages 1-3
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1969, in 1885, pages 1-2
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1959, in 1884, pages 1-39
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1963, in 1884, pages 1-3
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1988, in 1887, pages 1-2
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1992, in 1887, pages 1-2
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1994, in 1888, pages 1-7
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-2026, in 1889, pages 1-2
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-2028, in 1889, pages 1
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-2029, in 1889, pages 1-2
Created: 2017-06-24, modified: 2017-06-24