Published in Palaeontology, in 1987, in volume 30, issue 3, pages 531-535

Created: 2016-04-23, modified: 2016-04-23

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2021, pages 1-5

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2080, in 1890, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Tulane Studies in Zoology and Botany, in 1993, in volume 29, pages 29-72

Created: 2011-05-07, modified: 2021-04-05

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2017, pages 1-4

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2060, pages 1-9

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2054, pages 1-6

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1921, pages 1-0

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1948, in 1884, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1950, in 1884, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1929, in 1880, pages 1-31

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1931, in 1881, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1933, in 1881, pages 1-4

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1937, in 1881, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1941, in 1882, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1943, in 1882, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1945, in 1884, pages 1-3

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1966, in 1884, pages 1-3

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1969, in 1885, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1959, in 1884, pages 1-39

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1963, in 1884, pages 1-3

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1988, in 1887, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1992, in 1887, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1994, in 1888, pages 1-7

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2026, in 1889, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2028, in 1889, pages 1

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2029, in 1889, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2031, in 1889, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1977, in 1886, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1981, in 1886, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2001, in 1888, pages 1-4

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2005, in 1888, pages 1-4

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2009, in 1888, pages 1-4

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2013, in 1888, pages 1-4

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1986, in 1886, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2069, in 1889, pages 1-3

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2072, in 1889, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2074, in 1890, pages 1-6

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2033, in 1889, pages 1-4

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2037, in 1889, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2086, in 1891, pages 1-4

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2090, in 1891, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2092, in 1892, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2049, in 1889, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2051, in 1889, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2053, in 1889, pages 1

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2040, in 1889, pages 1-3

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2043, in 1889, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2082, in 1891, pages 1-4

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2045, pages 1-2

Created: 2017-06-24, modified: 2017-06-24