Libros por el morro

Descargables legalmente por caducidad de sus derechos de autor:

• Mitchell, Smitt. The art of caricaturing (1941).
• Fowler, M. B. O. Artículo: Theory and practice of pen drawing (1883)
• Pennel, Joseph Pen drawing and pen draughtsmen : their work and their methods : a study of the art today with technical suggestions (1920)