Charles C. Willoughby. 1922.
The Turner Group of Earthworks, Hamilton County, Ohio, Pp. 198. Cambridge, Massachusetts: Peabody Museum Press.
READ ONLINEAbstractPeabody Museum Papers Volume 8, no. 3
E. A. Hooton, Natica I. Bates, and Ruth Otis Sawtell. 1922.
Varia Africana III, Pp. 442. Cambridge, Massachusetts: Peabody Museum Press.
READ ONLINEAbstractHarvard African Studies Volume 3