Auxiliar de la Taquigrafía Gregg simplificada con clave
By: [por] John Robert Gregg, Ildefonso Torreblanca [y] Otto H. Haelsig.
Contributors: Gregg, John Robert, 1867-1948.
Publisher: Gregg Publishing Division, McGraw-Hill
Published: 1957
Place of publication: New York
Language: spa
Number of pages: 217
Subjects: Shorthand, Spanish -- Gregg.