Les Enquestes d'en Miquet (Jordi #8, April 1928)
Pere Prat Ubach was a Spanish illustrator and comic artist, who drew for Spanish magazines in the first half of the 20th century. He contributed to publications like Jordi and Virolet (1920s). He was also active as a painter.
Historia del Darrer Habitant de la Lluna (Virolet #38, Sept. 1922)