This is a photo of (left to right): Mary Koop (Dyck), Edith Dick (Koop), Heidi Koop and Peter Koop. Mary and the girls are wearing light, summer dresses and hats and Peter is in a suit. They are posing beside a lake.
This is a photo of (left to right): Heidi Koop and sister Edith Koop sitting in front of a decorated Christmas tree. Heidi is wearing a white blouse and dark skirt and Edith is wearing a red suit. Same as 676-174.
This is a photo of Heidi Koop bundled up in a baby carriage and Edith Dick (Koop) standing beside it. There is a doll sitting in a chair in front of Edith and there are sunflowers behind them. Same as 676-157.