1. Alonso, J. A. c.1936–1938. “Un-named Spanish Civil War Drawing.” Southworth Spanish Civil War Collection, Mandeville Special Collections Library, University of California San Diego. https://library.ucsd.edu/dc/object/bb2185486m
2. Barber, R. c.1936–1938. “Spanish Civil War Drawing.” Southworth Spanish Civil War Collection, Mandeville Special Collections Library, University of California San Diego. https://library.ucsd.edu/dc/object/bb6451735h
3. Bernabe, J. c.1936–1938. “An Aerial Bombing of the Streets of Madrid.” Southworth Spanish Civil War Collection, Mandeville Special Collections Library, University of California San Diego. https://library.ucsd.edu/dc/object/bb0171817w
4. Garcia, M. C. c.1936–1938. “Drawing No2.” Southworth Spanish Civil War Collection, Mandeville Special Collections Library, University of California San Diego. https://library.ucsd.edu/dc/object/bb46769799
5. Garcia, M. C. c.1936-1939. “Drawing No3, This Drawing Shows My Father and My Mother and My Brothers and I When We Go through the Tunnel to Cerbère.” Columbia University Libraries Online Exhibitions. https://exhibitions.library.columbia.edu/exhibits/show/children/item/8215