 During the 1970s, Yulsman worked for the Ringling Brothers Barnum & Bailey Circus for four years and taught photography at the School of Visual Arts.He wrote several instructional books on photography, including "Jerry Yulsman Tells How to Take Glamour Photographs" (1960), "The Complete Book of 8mm Movie Making" (1972), "The Complete Book of 35mm Photography" (1976) and "Color Photography Simplified" (1977).His personal approach to photography was expressed when he stated, "I believe that the main function of photography is a historical one.