1. Triassic bentonite of the Painted Desert;Allen;Am. J. Sci., Ser. 5,1930
2. Petrography and origin of the fuller's earth of southeastern Missouri;Allen;Econ. Geol.,1934
3. A contribution on the Hector, California, bentonite deposit;Ames;Econ. Geol.,1958
4. Umiat bentonite;Anderson;An unusual montmorillonite from Umiat, Alaska. Am. Mineral.,1966
5. A preliminary investigation of the bleaching clays of Mississippi;Bay;Miss. Geol. Surv. Bull.,1935