1. Adams, R. E. W. (1982). Rank size analysis of northern Belize Maya sites. In Hester, T. R., Shafer, H. J., and Eaton, J. D. (eds.),Archaeology at Colha, Belize: The 1981 Interim Report, University of Texas, San Antonio, pp. 60?64.
2. Adams, R. E. W., and Valdez, F. (1980). The ceramic sequence of Colha, Belize: 1979 and 1980 seasons. In Hester, T., Eaton, J., and Shafer, H. (eds.),The Colha Project Second Season, 1980 Interim Report, University of Texas, San Antonio, pp. 15?40.
3. Anderson, A. H. (1958). Recent discoveries at the Caracol site.Proceedings of the 32nd International Congress of Americanists, Copenhagen, Denmark, pp. 494?499.
4. Anderson, A. H. (1959). More discoveries at Caracol, British Honduras.Proceedings of the 33rd International Congress of Americanists, San José, Costa Rica, pp. 221?218.
5. Carnegie Institution of Washington Notes on Middle American Archaeology and Ethnology;A. H. Anderson,1944