1977. “The Wrens”. A Guided Tour Of The Voices Of Over 40 Species In Perhaps The Ultimate Songbird Family. Gainesville, Florida: Published privately by John William and Carol K. Hardy.
Borror, Donald J., and William W.H. Gunn. 1963. “Sounds Of Nature Vol. 8”. Thrushes, Wrens, & Mockingbirds Of Eastern North America. Federation of Ontario Naturalists.
Siebs, Theodor, and Wilhelm Albert Doegen. (04.12.1925AD) 1925. “Lautarchiv Recording La 566/1 - Siebs, Theodor (Deutschland), Title: “Die Laute Der Deutschen Hochsprache In Beispielen Nach Siebs, A-Laute””. Berlin: Lautabteilung, Preußische Staatsbibliothek Berlin.
Doegen, Wilhelm Albert, and Theodor Siebs. (04.12.1925AD) 1925. “Lautarchiv Recording La 566/2 - Siebs, Theodor (Deutschland), Title: “Die Laute Der Deutschen Hochsprache In Beispielen Nach Siebs, E-Laute””. Berlin: Lautabteilung, Preußische Staatsbibliothek Berlin.
Kellogg, Peter Paul, and Arthur A. Allen. 1953. “Voices Of The Night ”. The Calls Of 34 Frogs And Toads Of The United States And Canada . Ithaca NY: Cornell University Records.
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