Liberas:
Openluchtschool van Diesterweg's Hulpkas, 1908 | Open-air school from Diesterweg's Hulpkas, 1908
Liberas:
Openluchtschool van Diesterweg's Hulpkas, 1906 | Open-air school from Diesterweg's Hulpkas, 1906
Liberas:
Openluchtschool van Diesterweg's Hulpkas, 1905 | Open-air school from Diesterweg's Hulpkas, 1905
Liberas:
Openluchtschool van Diesterweg's Hulpkas, 1906 | Open-air school from Diesterweg's Hulpkas, 1906
Liberas:
Openluchtschool van Diesterweg's Hulpkas, 1912 | Open-air school from Diesterweg's Hulpkas, 1912
Liberas:
Openluchtschool van Diesterweg's Hulpkas, 1914 | Open-air school from Diesterweg's Hulpkas, 1914