Copyright © 1983 State Historical Society of Iowa. This article is posted here for personal use, not for redistribution.
Farrel-Beck, Jane A.; and Meints, Rebecca H. "The Role of Technology in the Fresh-Water Pearl Button Industry of Muscatine, Iowa, 1891 - 1910." The Annals of Iowa 47 (1983), 3-18.
Available at: http://ir.uiowa.edu/annals-of-iowa/vol47/iss1/2