- Collection713 - Samuel McRoberts Photo Collection
- 164 more...
- ItemBK5-142 - Hoffnungsfeld: camp during an exploration trip
- ItemBK5-143 - Hoffnungsfeld: the first residential house
- ItemBK5-144 - After the ceremony of land transfer - Bergthal
- ItemBK5-179 - Hoffnungsfeld: administration courtyard
- ItemBK5-180 - Hoffnungsfeld: hotel under construction
- ItemBK5-181 - Hoffnungsfeld: corridor for the telephone line
- ItemBK5-182 - Hoffnungsfeld: an experimental field
- ItemBK5-183 - Hoffnungsfeld: harvesting beans
- ItemBK5-184 - Hoffnungsfeld: casava (yuca)
- 69 more...