Barnes, V.E., 1943, Soapstone and serpentine in the central mineral region of Texas, in Texas mineral resources: Austin, Texas, The University of Texas Publication No. 4301 [Issued 1946], p. 55-91.
Clabaugh, S.E., and Barnes, V.E., 1959, Vermiculite in central Texas: The University of Texas Bureau of Economic Geology Report of Investigations No. 40, 32 p.
Dietrich, J.W., and Lonsdale, J.T., 1958, Mineral resources of the Colorado River Industrial Development Association Area: The University of Texas Bureau of Economic Geology Report of Investigations No. 37, 84 p., 9 plates.
Paige, Sidney, 1912, Geologic atlas of the United States--Llano-Burnet folio: U.S. Geological Survey Folio No. 183, 16 p., scale 1:125,000.
Rogers, J.E., 1961, Mineralogy of Oxford serpentine deposit, Llano County, Texas: Austin, Texas, University of Texas, M.S. thesis, 69 p.