- CollectionNP011 - William Schroeder Photograph Collection
- Series04 - Historic family photos
- Item1 - Students of the Maeichen Schule (Girls School) in Tiege.
- Item2 - Helena Wiens with 2 friends from the Tiege Maedichen Schule (Girls School)
- Item3 - Employees at one of the stores owned by Penner and Schultz