Sáenz-Francés San Baldomero, Emilio. «Inconvenient Belligerency: the Representation of the Allies in the Blue Division's “Hoja de Campaña”». A: Mary N. Harris. Sights and Insights - Interactive images of Europe and the Rest of the World (en anglès). Pisa University Press, 2007, p. 189. ISBN 978-88-8492-467-4. «The cartoon section became much more important, with two main cartoonists, who signed their comic strips as Teo and Kim»
