Van Nieuw-Guinee tot Curaçao, door W. N. Broekhuysen, A. van Deursen en J. Muiderman.W. N. Broekhuysen1926NL
Organization of education in the United States. Supplementing exhibit of the United States Bureau of education at the Brazil centennial exposition, Rio de Janeiro, Brazil, 1922-1923. By Dr. J. C. Muerman from official bulletins, United States Bureau of education.United States. Office of Education.1922EN