1 "Ficheiro:School_history_of_the_United_States_(IA_schoolhistoryofu00hart).pdf".

Ficheiro:School history of the United States (IA schoolhistoryofu00hart).pdf

recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:School_history_of_the_United_States_(IA_schoolhistoryofu00hart).pdf...