Radin, Paul. 1929. A grammar of the Wappo language. (University of California Publications in American Archeology and Ethnology, 27.)
@book{nicholsdiversity-Radin1929,
author = {Radin, Paul},
series = {University of California Publications in American Archeology and Ethnology},
title = {A grammar of the Wappo language},
volume = {27},
year = {1929}
}