- FondsPP - Koop Family fonds
- Series8 - Photo Col. 500 - Koop family photograph collection
- 336 more...
- Item334.0 - Elfrieda, Ruth, Rebecca, Cornelius Balzer
- Item335.0 - Bargen family
- Item336.0 - Johann Spenst and his bride
- Item337.0 - A group children
- Item338.0 - 1st Krimerfest in Lasalle
- Item339.0 - Johann Köhns
- Item340.0 - Mary Koop at the Regiers in Coaldale
- Item341.0 - A group of people at Krimerfest in Coaldale, 1946
- Item342.0 - Bernard Regier with Peter Koop in Coaldale
- 413 more...