The manufacture of copper bells found in Southwestern sites Author F. G. Hawley Article Date Spring 1953 Journal Title Sw J Anthro
The bell of San Marcelo Author R.L.Ives Article Date October 1963 Article Abstract Also the so-called Wellton Bell Journal Title Kiva
Inventory of prhistoric southwestern copper bells Author R. Sprague and A. Sigonori Article Date April 1963 Journal Title Kiva
Inventory of prehistoric southwestern copper bells: additions and corrections Author I. R. Sprague Article Date October 1964 Journal Title Kiva
A copper bell from southwest Colorado Author C.C.Chappell Article Date Fall 1962 Journal Title Plateau