Nash, D. and P. R. Williams, 2009. Wari Political Organization: The Southern Periphery in Andean Civilization: A Tribute to Michael E. Moseley(J. Marcus and P. R. Williams, eds.) . Los Angeles: Cotsen Institute of Archaeology Press, UCLA. Pp. 257-276.

Sharratt, N., M. Golitko, P. R. Williams, and L. Dussubieux, 2009. Ceramic Production during the Middle Horizon: Wari and Tiwanaku clay procurement in the Moquegua Valley, Peru Geoarchaeology. 24(6): 792-820.

Dussubieux, Laure and Patrick Ryan Williams, 2009. Elemental Analysis of Peruvian Copper-Based Artefacts using LA-ICPMS 2nd International Conference Archaeometallurgy in Europe 2007. Associazione Italiana di Metalurgia. Pp. 489-497.

D. J. Goldstein, R. C. Coleman, and P. R. Williams, 2009. Reconstructing Middle Horizon (500-1000 C.E.) Social Dynamics through Paleoethnobotanical Interpretations of Fermented Beverage Production and Consumption at Cerro Baúl, Moquegua, Perú. in Drink in the Andes(In J. Jennings and B. Bowers, eds.) . Gainesville, University of Florida Press. pp. 133-166.

Kelly J. Knudson, Sloan R. Williams, Rebecca Osborn, Kathleen Forgey and Patrick Ryan Williams, 2009. The geographic origins of Nasca trophy heads using strontium, oxygen, and carbon isotope data Journal of Anthropological Archaeology. 28:244-257

Williams, P. R., 2009. Wari and Tiwanaku Borderlands in Tiwanaku: Papers from the 2005 Mayer Center Symposium(M. Young-Sanchez, eds.) . Denver: Denver Art Museum. pp. 211-224.

Williams, P. R., D. J. Nash, M. Moseley, S. deFrance, M. Ruales, A. Miranda, D. Goldstein, 2008. Encuentros en el Reino Wari Boletin de Arqueologia PUCP. 9:207-232

Vining, B., P. R. Williams, D. Blom, y N. Couture, 2008. Hacia una Imagen del Espacio Social en Tiwanaku: Perspectivas por Medio de Metodos Geofisicos en el Altiplano Boliviano in Arqueologia de las Tierras Altas, Valles Interandinos, y Tierras Bajas de Bolivia: Memorias del I Congreso de Arqueologia de Bolivia(Claudia Rivera Casanovas, eds.) . La Paz: Instituto de Investigaciones Antropologicas y Arqueologicas – Universidad Mayor de San Andre

Arnold, D., J. R. Branden, P. R. Williams, G. M. Feinman, & J. P. Brown, 2008. The first direct evidence for the production of Maya Blue: rediscovery of a technology Antiquity. 82:151–164

Dussubieux, Laure, Mark Golitko, Patrick Ryan Williams and Robert J. Speakman, 2007. LA-ICP-MS analysis applied to the characterization of Peruvian Wari ceramicsLA-ICP-MS analysis applied to the characterization of Peruvian Wari ceramics in Archaeological Chemistry: Analytical Techniques and Archaeological Interpretation (Michael D. Glascock, Rachel S. Popelka-Filcoff & Robert J. Speakman, eds.) . Washington, DC: American Chemical Society Symposium Series 968: 349-363.

Williams, P. R., 2007. Review of Identity and Power in the Ancient Andes: Tiwanaku Cities Through Time Journal of Anthropological Research. 63:114-115

Williams, P. R., N. Couture, and D. Blom, 2007. Urban Structure at Tiwanaku: Geophysical Investigations in the Andean Altiplano in Remote Sensing in Archaeology(J. Wiseman and F. El-Baz, eds.) . New York: Kluwer

Williams, P. R., 2006. Agricultural Innovation, Intensification, and Sociopolitical Development: the Case of Highland Irrigation Agriculture on the Pacific Andean Watersheds in Agricultural Strategies(C. Stanish & J. Marcus, eds.) . Cotsen Institute of Archaeology, UCLA.

Martin, R. D. A. M. MacLarnon, J. L. Phillips, L. Dussubieux, P. R. Williams, and W. B. Dobyns, 2006. Comment on “The Brain of LB1,Homo floresiensis” Science. 312: 999b

Williams, P. R., 2006. Review of Andean Diaspora: The Tiwanaku Colonies and the Origins of South American Empire Journal of Latin American Anthropology. 11(2): 507-509

Williams, P. R. and D. J. Nash, 2006. Sighting the Apu: A GIS Analysis of Wari Imperialism and the Worship of Mountain Peaks World Archaeology. 38(3):455-468

M. Moseley, D. Nash, P. Williams, S. DeFrance, A. Miranda, M. Ruales, 2005. Burning Down the Brewery: Excavation and Evacuation of an Ancient Imperial Colony at Cerro Baúl, Perú Proceedings of the National Academy of Sciences. 102(48):17264-17271
Link to Publication

P. R. Williams, D. K. Keefer, D. J. Nash, K. Y. Sims, C. Dayton, M. Moseley, 2005. Envisioning the Invisible: reconstructing the taphonomy of ancient Andean agricultural landscapes through GIS Slope Stability Models in The Reconstruction of Archaeological Landscapes through Digital Technologies: Proceedings of the 2nd Italy-United States Workshop(M. Forte, eds.) . BAR Intl Series 1379

Nash, D. J. and P. R. Williams, 2004. Architecture and Power on the Wari—Tiwanaku Frontier in Architecture and Power in the Ancient Andes(K. Vaughn, C. Conlee, and D. Ogburn, eds.) . Archaeological Papers of the American Anthropological Association 14.

Williams, P. R., N. Couture, D. Blom, J. Janusek, B. Vining, and C. Dayton, 2004. Ground-Based Remote Sensing and Early State Development in the South-Central Andes . Proceedings of the International Conference of Remote Sensing Archaeology. Beijing: Joint Laboratory of Remote Sensing Archaeology, Chinese Academy of Sciences

Patrick Ryan Williams and Donna J. Nash, 2003. Clash of the Andean Titans: Wari and Tiwanaku at Cerro Baul In the Field. Summer: 16-17

Terrell, J. E., Hart, J. P., Barut, S., Cellinese, N., Curet, A., Denham, T., Kusimba, C. M., Latinis, K., Oka, R., Palka, J., Pohl, M. E. D., Pope, K. O., Williams, P. R., Haines, H. and Staller, J. E., 2003. Domesticated landscapes: The subsistence ecology of plant and animal domestication J. Arch. Method and Theory. 10:323-368

Patrick Ryan Williams, 2003. Hydraulic Landscapes and Social Conflict in Middle Horizon Peru in The Reconstruction of Archaeological Landscapes through Digital Technologies(M. Forte & P. R. Williams, eds.) . Oxford: BAR S1151

Patrick Ryan Williams, 2002. A Re-examination of Disaster-Induced Collpase in the Case of the Andean Highland States: Wari and Tiwanaku World Archaeology. 33(3):361-374

Patrick Ryan Williams and Johny Isla C., 2002. Excavaciones Arqueológicas en el Centro Administrativo Wari de Cerro Baúl Gaceta Arqueológica Andina. 26: 87-120

Patrick Ryan Williams and Donna Nash, 2002. Imperial Interaction in the Andes: Wari and Tiwanaku at Cerro Baúl in Andean Archaeology(W. Isbell & H. Silverman, eds.) . New York: Plenum

Patrick Ryan Williams, 2001. Cerro Baúl: A Wari Center on the Tiwanaku Frontier Latin American Antiquity. 12(1):67-83

Patrick Ryan Williams, Johny Isla, and Donna Nash, 2001. Cerro Baúl: un Enclave Wari en Interacción con Tiwanaku Boletin de Arqueologia PUCP. 5: 69-88

Patrick Ryan Williams, Michael Moseley, and Donna Nash, 2000. Empires of the Andes: A Majestic Frontier Outpost Chose Cooperation Over War Scientific American Discovering Archaeology. March/April:68-73

Williams, Patrick Ryan, 1997. The Role of Disaster in the Development of Agriculture and the Evolution of Social Complexity in the South-Central Andean Sierra . PhD Dissertation, University of Florida, Department of Anthropology