1. Tobacco Seeds in the Archaeobotanical Collections of the Center for American Archaeology;Asch,1991
2. Aboriginal specialty-plant cultivation in eastern North America: Illinois prehistory and a post-contact perspective;Asch,1994
3. The presence of opium in a 3,500 year old Cypriote Base-Ring Juglet;Bisset;Ägypten und Levante,1996
4. Bohrer, V., 2004. Flotation analysis from High Rolls Cave (LA 114103) Otero County New Mexico, Southwest Ethnobotanical Enterprises Report 39.
5. Archaeological and Experimental Stained Glass: A Non-destructive Raman Microscopic (RM) Study;Bouchard,2002