Authors: Hugh Williamson

Published in Transactions of the American Philosophical Society, in 1769, in volume 1, pages 27-36

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Authors: Hugh Williamson

Published in Transactions of the American Philosophical Society, in 1769, in volume 1, pages 272-280

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Authors: G Williamson

Published in Bothalia, in 1998, in volume 28, issue 1, pages 62-65

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Authors: J Lorimer

Published in Transactions of the American Philosophical Society, in 1769, in volume 1, pages 250-254

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Authors: E B Williamson

Published in Entomological News, in 1922, in volume 33, pages 13-19

Created: 2011-05-01, modified: 2021-04-05

Authors: M B Williamson

Published in Nautilis, in 1911, in volume 25, pages 30-31

Created: 2013-09-28, modified: 2013-09-28

Authors: M B Williamson

Published in Nautilis, in 1890, in volume 3, pages 143-144

Created: 2013-09-28, modified: 2013-09-28

Authors: D A Snijman | G Williamson

Published in Bothalia, in 1998, in volume 28, issue 2, pages 192-196

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Authors: E B Williamson

Published in Entomological News, in 1922, in volume 33, pages 114-118

Created: 2011-06-03, modified: 2021-04-05

Authors: E B Williamson

Published in Entomological News, in 1916, in volume 27, pages 167-172

Created: 2011-06-03, modified: 2021-04-05

Authors: M B Williamson

Published in Nautilis, in 1893, in volume 7, pages 27-29

Created: 2013-09-28, modified: 2013-09-28

Authors: J C Manning | P Goldblatt | G Williamson

Published in Bothalia, in 2009, in volume 39, issue 2, pages 229-231

Created: 2026-04-03, modified: 2026-04-03

Authors: M B Williamson

Published in Nautilis, in 1903, in volume 17, pages 39-41

Created: 2013-09-28, modified: 2013-09-28

Authors: E B Williamson

Published in Entomological News, in 1907, in volume 18, pages 1-7

Created: 2011-06-03, modified: 2021-04-05

Authors: E B Williamson

Published in Entomological News, in 1909, in volume 20, pages 77-79

Created: 2011-06-03, modified: 2021-04-05

Authors: M B Williamson

Published in Nautilis, in 1900, in volume 14, pages 13-15

Created: 2013-09-28, modified: 2013-09-28

Authors: P D W Barnard

Published in Palaeontology, in 1962, in volume 5, issue 2, pages 213-224

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

Authors: E B Williamson

Published in Entomological News, in 1900, in volume 11, pages 453-458

Created: 2011-06-03, modified: 2021-04-05

Authors: E B Williamson

Published in Entomological News, in 1908, in volume 19, pages 264-308

Created: 2011-06-03, modified: 2021-04-05

Authors: E B Williamson

Published in Entomological News, in 1898, in volume 9, pages 209-211

Created: 2011-06-03, modified: 2021-04-05

Authors: E B Williamson

Published in Entomological News, in 1914, in volume 25, pages 49-58

Created: 2011-06-03, modified: 2021-04-05

Authors: Charles S Williamson

Published in Torreya, in 1909, in volume 9, issue 8, pages 160-166

Created: 2022-12-15, modified: 2022-12-15

Authors: E B Williamson

Published in Transactions of The American Entomological Society, in 1917, in volume 43, pages 211-246

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

Authors: E B Williamson

Published in Entomological News, in 1916, in volume 27, pages 30-33

Created: 2011-06-03, modified: 2021-04-05

Authors: E B Williamson

Published in Entomological News, in 1916, in volume 27, pages 313-325

Created: 2011-06-03, modified: 2021-04-05

Authors: Graham Williamson

Published in Journal of South African Botany, in 1983, in volume 49, issue 4, pages 445-449

Created: 2024-09-04, modified: 2024-09-04

Authors: Hugh Cuming

Published in Asa Gray correspondence. Senders Co-Cu, 1826-1891 (inclusive), in 1852, pages 1-3

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

Authors: Hugh Cuming

Published in Asa Gray correspondence. Senders Co-Cu, 1826-1891 (inclusive), in 1857, pages 1-2

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

Authors: Hugh Iltis

Published in Rhodora, in 1954, in volume 56, issue 664, pages 65-70

Created: 2014-06-16, modified: 2023-02-16

Authors: J Belle

Published in Tijdschrift Voor Entomologie, in 1982, in volume 125, pages 37-56

Created: 2010-03-23, modified: 2011-06-21

Authors: E B Williamson

Published in Entomological News, in 1904, in volume 15, pages 247-250

Created: 2011-06-03, modified: 2011-06-21

Authors: E B Williamson

Published in Entomological News, in 1912, in volume 23, pages 196-203

Created: 2011-06-03, modified: 2021-04-05

Authors: Graham Williamson

Published in Journal of South African Botany, in 1982, in volume 48, issue 1, pages 11-20

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Authors: G Williamson

Published in Journal of South African Botany, in 1979, in volume 45, issue 4, pages 459-467

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Authors: Graham Williamson

Published in Journal of South African Botany, in 1980, in volume 46, issue 4, pages 329-342

Created: 2024-09-05, modified: 2024-09-05

Authors: Francis Williamson

Published in Annals And Magazine of Natural History, in 1848, in volume 1, pages 188-189

Created: 2011-09-27, modified: 2011-09-27

Authors: A A Williamson

Published in Jour Washington Acad Sci, in 1954, in volume 44, pages 297-302

Created: 2014-01-30, modified: 2025-12-03

Authors: A A Williamson

Published in Jour Washington Acad Sci, in 1953, in volume 43, pages 305-311

Created: 2014-01-30, modified: 2025-12-03

Authors: William Smith | John Ewing | Owen Biddle | Hugh Williamson | Thomas Combe | David Rittenhouse

Published in Transactions of the American Philosophical Society, in 1769, in volume 1, pages 12-20

Created: 2026-05-30, modified: 2026-05-30

Authors: Hugh B Leech

Published in The Coleopterists Bulletin, in 1950, in volume 4, issue 3, pages 44-46

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Authors: Hugh B Leech

Published in The Coleopterists Bulletin, in 1958, in volume 12, issue 3/4, pages 58

Created: 2023-11-07, modified: 2025-12-17

Authors: Hugh B Leech

Published in The Coleopterists Bulletin, in 1949, in volume 3, issue 4, pages 63-64

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Authors:

Published in The Flowering Plants of Africa, in 1948, in volume 27, pages 1-2

Created: 2025-11-30, modified: 2025-11-30

Authors: E B Williamson

Published in Occasional Papers Museum Zoology Michigan no, in 1923, in volume 134, pages 1-10

Created: 2011-06-02, modified: 2011-06-21

Authors: E B Williamson

Published in Entomological News, in 1902, in volume 13, pages 47-49

Created: 2011-06-03, modified: 2021-04-05

Authors: M B Williamson

Published in Nautilis, in 1893, in volume 7, pages 41-42

Created: 2013-09-28, modified: 2013-09-28

Authors: B W Sparks

Published in The Nautilus, in 1960, in volume 73, issue 4, pages 158-159

Created: 2021-05-14, modified: 2021-05-14

Authors: Hugh M Raup

Published in Rhodora, in 1930, in volume 32, issue 376, pages 88-89

Created: 2016-07-19, modified: 2023-02-16

Authors: Hugh M Smith

Published in Zoologica, in 1927, in volume 9, issue 6, pages 271-294

Created: 2016-11-07, modified: 2025-12-17

Authors: E B Williamson

Published in Proceedings of The United States National Museum, in 1915, in volume 48, pages 601-638

Created: 2011-05-05, modified: 2017-01-06