Farnham, E. (1971). Charles Demuth: Behind a laughing mask ([1st ed.].). University of Oklahoma Press.

Farnham, Emily. Charles Demuth: Behind a Laughing Mask. [1st ed.]. Norman: University of Oklahoma Press, 1971.

Farnham, Emily. Charles Demuth: Behind a Laughing Mask. [1st ed.]. University of Oklahoma Press, 1971.