1941 El Libro de Doña Petrona 1000 Recetas Decimoquinta Ninth edition Cookbook
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El Libro de Doña Petrona 1000 Recetas Culinarias, Decimoquinta Edicion (9th Edition)
Spanish Edition
by Pertrona S. de Gandulfo
Published in Buenos Aires Argentina (1941)
ninth edition.
This is a Decimoquinta Edicion (Fifteenth Edition) reformed and enlarged by its author
First editions came out in 1933
21st Edition came out in 1946
So this one was probably published around 1942 although I can't find a date anywhere.
Signed by some body.