Sort By:
  1. Bibliography of North American dipterology, 1878-1895 by S.W. Williston.
    By: Williston, Samuel W. - Williston, Samuel W.
    Publication info: S.l. :s.n.,1896?
    Contributed by: Canadiana.org (archive.org)
    View Book
  2. Contribution to a monograph of the North American Syrphidae by S.W. Williston.
    By: Williston, Samuel W. - Williston, Samuel W. - American Philosophical Society.
    Publication info: S.l. :s.n.,1882?
    Contributed by: Canadiana.org (archive.org)
    View Book
  3. Manual of the families and genera of the North American Diptera by Samuel W. Williston.
    By: Williston, Samuel W. - Williston, Samuel W.
    Edition: 2nd ed., rewritten and enl.
    Publication info: New Haven [Conn.] :J.T. Hathaway,1896.
    Contributed by: Canadiana.org (archive.org)
    View Book
  4. The North American Psychodidæ by S.W. Williston.
    By: Williston, Samuel W. - Williston, Samuel W.
    Publication info: [S.l. :s.n.],1893.
    Contributed by: Canadiana.org (archive.org)
    View Book
  5. The North American species of Conops by S.W. Williston.
    By: Williston, Samuel W. - Williston, Samuel W. - Connecticut Academy of Arts and Sciences.
    Publication info: S.l. :s.n.,1882?
    Contributed by: Canadiana.org (archive.org)
    View Book
  6. The North American species of Nemistrinidæ by S.W. Williston.
    By: Williston, Samuel W. - Williston, Samuel W.
    Publication info: S.l. :s.n.,1883?
    Contributed by: Canadiana.org (archive.org)
    View Book
  7. North American Tachinidæ Gonia / by S.W. Williston.
    By: Williston, Samuel W. - Williston, Samuel W.
    Publication info: S.l. :s.n.,1887?
    Contributed by: Canadiana.org (archive.org)
    View Book
  8. Notes and descriptions of North American Tabanidæ by S.W. Williston.
    By: Williston, Samuel W. - Williston, Samuel W. - Kansas Academy of Science.
    Publication info: Topeka, Kan. :s.n.,1887
    Contributed by: Canadiana.org (archive.org)
    View Book
  9. On the North American Asilidae (Dasypogoninae, Laphrinae), with a new genus of Syrphidae by S.W. Williston.
    By: Williston, Samuel W. - Williston, Samuel W. - American Entomological Society.
    Publication info: S.l. :s.n.,1883?
    Contributed by: Canadiana.org (archive.org)
    View Book
  10. Synopsis of the families and genera of North American Diptera exclusive of the genera of the Nematocera and Muscidæ, with bibliography and new species, 1878-88 / by Samuel W. Williston.
    By: Williston, Samuel W. - Williston, Samuel W.
    Publication info: New Haven [Conn.] :J.T. Hathaway,1888.
    Contributed by: Canadiana.org (archive.org)
    View Book
  11. Synopsis of the North American Syrphidae by Samuel W. Williston.
    By: Williston, Samuel W. - Williston, Samuel W.
    Publication info: Washington :G.P.O.,1886.
    Contributed by: Canadiana.org (archive.org)
    View Book