Covers for various clip books of line art issued in 1976 by Harry Volk Jr. Art Studio, Pleasantville, New Jersey. This year marked their silver anniversary, see the “Spring” booklet above, indicating that the company was established in 1951. The celebration continued in the following year, see the covers from 1977. According to Bart Solenthaler, Volk went out of business sometime in the 1980s.