Gregg, John Robert. Gregg shorthand manual simplified / John Robert Gregg, Louis A. Leslie, Charles E. Zoubek and Ernest W. Crockett. - 2nd. - London : McGraw hill, 1963. - 192 p. : ill. ; 16 cm. Includes index. Subjects--Topical Terms: Technology. Dewey Class. No.: 653 / GRG 1960