1. Bautista Paz E., Ceccarelli M., Echavarri Otero J., Munoz Sanz, J.J., A brief illustrated history of machines and mechanisms, Science and Engineering, Book series on History of Machines and Machine Science, Vol.10, Springer, Dordrecht, 2010. DOI 10.1007/978-90-481-2512-8. ISBN: 978-90-481-2511-1.
2. Lopez-Cajùn C.S., Ceccarelli M., Mecanismos: Fundamentos cinematicos para el diseno y la optimizacion de la maquinaria, Trillas, Ciudad de Mexico, 2008 (ISBN 978-968-24-8181-9).
3. Al Jazari: Kitab al-Hiyal, 1205 ca. Istambul, Topkapy Museum.
4. Villard de Honnecourt: Livre de Portraiture, 1225-1235, Paris Bibliothèque Nationale.
5. Buonaccorso Ghiberti, “Zibaldone” (1420-1421), Firenze Biblioteca Nazionale, in E. Battisti: Brunelleschi, Electa 1975.