“Topography of a Bird,” from Elliot Coues, Key to North American Birds (Boston: Estes and Lauriat, 1884)

  • H. L. Clark, Birds of Amherst & Hampshire County (1887)

  • J. A. Allen, Birds of Springfield, Massachusetts (1864)

  • Ebenezer Emmons, Birds of Massachusetts (1833)

  • A. C. Bagg & S. A. Eliot, Jr., Birds of the Connecticut Valley in Massachusetts (1937)

  • Mass Audubon, Birds of Massachusetts (2020)