Pollastro, R. et..(2003) "Assessing Undiscovered Resources of the Barnett-Paleozoic Total Petroleum System, Bend Arch-Fort Worth Basin Province, Texas". Online adaptation of presentation at AAPG Southwest Section Meeting, Fort Worth, TX, March, 2003

Daniel M. Jarvie, Ronald J. Hill, Tim E. Ruble, and Richard M. Pollastro,  Unconventional shale-gas systems: The Mississippian Barnett Shale of north-central Texas as one model for thermogenic shale-gas assessment, AAPG Bulletin, v. 91, no. 4 (April 2007), pp. 475–499

Kuuskraa, V. and Stevens, S. Special Report: Gas Shale—2: Lessons learned help optimize development, Oil & Gas Journal, Oct 5, 2009

USGS Unconventional Resources bibliography

Bibliography of unconventional resources: Unconventional gas, tight sands, coalbed methane, and gas shales

Bibliography of Oklahoma Gas Shales – Oklahoma Geological Survey