Kristian Hude, n.d., Photographic catalogue [Sheet 14, Bornholm Churches - Olsker, Ny-Larsker, Øster-Marie Kirkeruin, Ibsker, Nyker and Aakirke], Photographic catalogue, National Museum of Denmark, LL/118336
Unidentified photographer, n.d., [Untitled - Snow covered mountains, South America], [Album "South America: Venezuela, Colombia, Equador"], Photograph, National Museum of Denmark, LL/92412
Sophie Petersen (Photographer / creator), 1926, Vista general de Valparaiso antes del terremoto, [Album "Argentina"], Photograph, National Museum of Denmark, LL/92415
V. Richter (Copenhagen), n.d., Sugar factory, Glass slide, hand-coloured, National Museum of Denmark, LL/92410
Unidentified photographer, n.d., [Untitled - Snow covered mountains, South America], [Album "South America: Venezuela, Colombia, Equador"], Photograph, National Museum of Denmark, LL/92413
V. Richter (Copenhagen), n.d., Branch with ripe cherries, Glass slide, hand-coloured, National Museum of Denmark, LL/92409