1965, Willey, Gordon R., Bullard, William R., Glass, John B & Gifford, James
C., "Prehistoric Maya Settlements in the Belize Valley," pp.
1983, Shafer, Harry J., "Pulltrouser Swamp," The Lithic
Artifacts of the Pulltrouser Area: Settlements and Fields. pp.231-233.
1984, Hester, Thomas R. & Shafer, Harry J., "World
Archaeology," Exploitation of Chert Resources by the Ancient Maya
of Northern Belize, Central America,
1986, Hester, Thomas R. & Shafer, Harry J., "The
Organization of Core Technology,"
Observations on Ancient Maya Core Technology At Colha, Belize, pp.
1987, Lewenstein, Suzanne M., "Stone
Tool Use At Cerros, The Ethnoarchaeological and Use-Wear Evidence,"
pp. 138,139, 177.
1991, Hester, Thomas R., Shafer, Harry J., Berry, Thena,"
Maya Stone Tools," Selected Papers from the Second
Maya Lithic Conference, Technological and Comparative Analyses of the
Chipped Stone Artifacts from El Pozito, Belize, pp. 67-82
1991, Shafer, Harry J., "Maya Stone Tools," Selected Papers from the Second
Maya Lithic Conference, Late Preclassic Formal Tool Production at
Colha, Belize, pp. 31-38.
Fagan, Brian M., "The Oxford Companion To Archaeology",
pp. 406, 407, 413.
1997, Hester, Thomas R. & Shafer, Harry J., "Craftsmen to the Kings," Rural Maya Stone
Technology at Colha, Belize, pages
1986-1997, Personal communications with Tomas R. Hester.