00560nam a2200205Ma 4500 ocn810828382 OCoLC 20150310025125.0 970923s1952 enk 000 0 eng d ERD ERD ZAAPA (OCoLC)810828382 ZAAA Potts, Albert. Typewriting examination tests. London : [s.n.], 1952. Stage I. Elementary. -- Stage III. Advanced (1952). Stage I. Elementary. Stage III. Advanced (1952). C0 ZAAPA 29989 29989