| Location | Source | Date | Page | Caption | Uniform | Type |
|---|---|---|---|---|---|---|
| BASEBALL MEMORIES 1930-1939, Marc Okkonen | 1994 | 187 | Leo Nonnenkamp | Pirates | Head Shot | |
| BASEBALL MEMORIES 1930-1939, Marc Okkonen | 1994 | 91 | Leo 'Red' Nonnenkamp | Red Sox | Head Shot | |
| Brace Photo | Red Sox | |||||
| http://tinyurl.com/6dppky | c. 1938 | George Burke Original Photo Leo Nonnenkamp, Red Sox | Red Sox | Posed swinging - full length view |