Justice, Noel D.
1995 Stone Age Spear and Arrow Points of the Midcontinental and Eastern United States: A Modern Survey and Reference. Indiana University Press, Bloomington.
Justice, Noel D., and Suzanne K. Kudlaty
1999 Field Guide to Projectile Points of the Midwest. Indiana University Press, Bloomington.
Sandstrom, Carl B., and Jack H. Ray
2004 A Point Identification Guide for Southwest Missouri. Ozarks Chapter of the Missouri Archaeological Society, Springfield.
What's the Point?: Identifying Flint Artifacts (Ohio Historic Society)
Digital Type Collections (Florida Museum of Natural History)
Salt Glaze Pottery (Wikipedia article)
An Archaeological Guide to Historical Artifacts of the Upper Sangamon Basin (Eastcentral IL, USA)
Chipstone (private collection in WI; American decorative arts)
General Land Office Records (Bureau of Land Management)
A Guide to Artifacts of Colonial America, by Ivor Noël Hume (Google book review)
IMACS User's Guide (1992) (Dept. of Anthropology, Univ. of Utah)
Pamplin Clay Tobacco Pipes (University of Missouri)