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  1. By: Williamson, E.B. (Edward Bruce), - Longfield Iris Farm (Bluffton, Ind.) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Bluffton, Ind, Longfield Iris Farm, 1929
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  2. By: Williamson, E.B. (Edward Bruce), - Cook, Paul H. - Longfield Iris Farm (Bluffton, Ind.) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Bluffton, Ind, Longfield Iris Farm, 1927
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  3. By: E.B. Williamson (Firm) - Williamson, E.B. (Edward Bruce), - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Goshen, Ind, E.B. Williamson, [1923]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  4. By: E.B. Williamson (Firm) - Williamson, E.B. (Edward Bruce), - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Goshen, Ind, E.B. Williamson, [1924]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  1. By: Williamson, E.B. (Edward Bruce),
    Type: Article
    In: Annals of the Carnegie Museum
    Volume: 1
    Issue: 1
    Date: 1901
    Page Range: 8--13
    Publication Info: [Pittsburgh], Published by authority of the Board of Trustees of the Carnegie Institute, 1901-
  2. By: Williamson, E.B. (Edward Bruce),
    Type: Article
    In: Proceedings of the United States National Museum
    Volume: 28
    Date: 1905
    Page Range: 165--187
    Publication Info: Washington Smithsonian Institution Press, [etc.]
  3. By: Williamson, E.B. (Edward Bruce),
    Type: Article
    In: Proceedings of the United States National Museum
    Volume: 33
    Date: 1907
    Page Range: 267--317
    Publication Info: Washington Smithsonian Institution Press, [etc.]
  4. By: Williamson, E.B. (Edward Bruce),
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia
    Volume: 23
    Date: 1912
    Page Range: 196--203
    Publication Info: Philadelphia, [Entomological Rooms of the Academy of Natural Sciences],
  5. By: Williamson, E.B. (Edward Bruce),
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia
    Volume: 33
    Date: 1922
    Page Range: 114--118
    Publication Info: Philadelphia, [Entomological Rooms of the Academy of Natural Sciences],
  6. By: Williamson, E.B. (Edward Bruce),
    Type: Article
    In: Transactions of the American Entomological Society
    Volume: 43
    Date: 1917
    Page Range: 211--246
    Publication Info: Philadelphia, The Society at the Academy of Natural Sciences, 1890-
  7. By: Williamson, E.B. (Edward Bruce),
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia
    Volume: 25
    Date: 1914
    Page Range: 49--58
    Publication Info: Philadelphia, [Entomological Rooms of the Academy of Natural Sciences],
  8. By: Williamson, E.B. (Edward Bruce),
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia
    Volume: 33
    Date: 1922
    Page Range: 13--19
    Publication Info: Philadelphia, [Entomological Rooms of the Academy of Natural Sciences],
  9. By: Williamson, E.B. (Edward Bruce),
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia
    Volume: 27
    Date: 1916
    Page Range: 167--172
    Publication Info: Philadelphia, [Entomological Rooms of the Academy of Natural Sciences],
  10. By: Williamson, E.B. (Edward Bruce),
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia
    Volume: 27
    Date: 1916
    Page Range: 30--33
    Publication Info: Philadelphia, [Entomological Rooms of the Academy of Natural Sciences],
  11. By: Williamson, E.B. (Edward Bruce),
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia
    Volume: 19
    Date: 1908
    Page Range: 428--434
    Publication Info: Philadelphia, [Entomological Rooms of the Academy of Natural Sciences],
  12. By: Williamson, E.B. (Edward Bruce),
    Type: Article
    In: Occasional papers of the Museum of Zoology, University of Michigan
    Volume: 134
    Date: 1923
    Page Range: 1--10
    Publication Info: Ann Arbor, Mich, University of Michigan, 1913-
  13. By: Williamson, E.B. (Edward Bruce),
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia
    Volume: 13
    Date: 1902
    Page Range: 47--49
    Publication Info: Philadelphia, [Entomological Rooms of the Academy of Natural Sciences],
  14. By: Williamson, E.B. (Edward Bruce),
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia
    Volume: 9
    Date: 1898
    Page Range: 209--211
    Publication Info: Philadelphia, [Entomological Rooms of the Academy of Natural Sciences],
  15. By: Williamson, E.B. (Edward Bruce),
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia
    Volume: 15
    Date: 1904
    Page Range: 247--250
    Publication Info: Philadelphia, [Entomological Rooms of the Academy of Natural Sciences],
  16. By: Williamson, E.B. (Edward Bruce),
    Type: Article
    In: Proceedings of the United States National Museum
    Volume: 37
    Issue: 1710
    Date: 1909
    Page Range: 369--398
    Publication Info: Washington Smithsonian Institution Press, [etc.]
  17. By: Williamson, E.B. (Edward Bruce),
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia
    Volume: 11
    Date: 1900
    Page Range: 453--458
    Publication Info: Philadelphia, [Entomological Rooms of the Academy of Natural Sciences],
  18. By: Williamson, E.B. (Edward Bruce),
    Type: Article
    In: Proceedings of the United States National Museum
    Volume: 48
    Issue: 2089
    Date: 1915
    Page Range: 601--638
    Publication Info: Washington Smithsonian Institution Press, [etc.]
  19. By: Williamson, E.B. (Edward Bruce),
    Type: Article
    In: Proceedings of the United States National Museum
    Volume: 48
    Date: 1915
    Page Range: 613--616
    Publication Info: Washington Smithsonian Institution Press, [etc.]
  20. By: Williamson, E.B. (Edward Bruce),
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia
    Volume: 27
    Date: 1916
    Page Range: 313--325
    Publication Info: Philadelphia, [Entomological Rooms of the Academy of Natural Sciences],
  21. By: Williamson, E.B. (Edward Bruce),
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia
    Volume: 14
    Date: 1903
    Page Range: 2--10
    Publication Info: Philadelphia, [Entomological Rooms of the Academy of Natural Sciences],
  22. By: Williamson, E.B. (Edward Bruce),
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia
    Volume: 20
    Date: 1909
    Page Range: 77--79
    Publication Info: Philadelphia, [Entomological Rooms of the Academy of Natural Sciences],
  23. By: Williamson, E.B. (Edward Bruce),
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia
    Volume: 28
    Date: 1917
    Page Range: 241--255
    Publication Info: Philadelphia, [Entomological Rooms of the Academy of Natural Sciences],
  24. By: Williamson, E.B. (Edward Bruce),
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia
    Volume: 19
    Date: 1908
    Page Range: 264--308
    Publication Info: Philadelphia, [Entomological Rooms of the Academy of Natural Sciences],
  25. By: Williamson, E.B. (Edward Bruce),
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia
    Volume: 18
    Date: 1907
    Page Range: 1--7
    Publication Info: Philadelphia, [Entomological Rooms of the Academy of Natural Sciences],