Frachtenberg, Leo J. 1922. Siuslawan (Lower Umpqua). In Boas, Franz (ed.), Handbook of American Indian Languages, volume 2, 431–629.
@incollection{nicholsdiversity-Frachtenberg1922, author = {Frachtenberg, Leo J.}, booktitle = {Handbook of American Indian Languages, volume 2}, editor = {Boas, Franz}, pages = {431–629}, title = {Siuslawan (Lower Umpqua)}, year = {1922} }