- 1920 and 1929
- Photograph of Willy Adler's parents, Max and Berta Adler, taken in Hamburg, Germany circa 1920.
- Photograph of Willy Adler's 2nd grade class at Talmud Torah Realschule, Hamburg, Germany, 1927. He is seated in the first row, farthest on the right.
- circa 1936
- Family photograph of Max (father), Berta (mother) and Willy Adler taken in Hamburg, Germany circa 1936 or 1937.