Comment la route crée le type social. Les routes de l'antiquité, Demolins, Edmond (Livros), 1901-1903
Aus des verkstatt der esperimentellen psycologie und paedagogik, Schultze, Rudolf, and Pintner, Rudolf
Memoirs of Spain during the reigns of Philip IV and Charles II from 1621 to 1700, Dunlop, John Collins
Geographic Names