| Location | Source | Date | Page | Caption | Uniform | Type |
|---|---|---|---|---|---|---|
| Brace Photo | Red Sox | |||||
| BASEBALL MEMORIES 1930-1939, Marc Okkonen | 1994 | 87 | Fred Muller | Toledo m.l. | Swinging action | |
| OOTP Baseball | http://tinyurl.com/y8cqf2c | Nov., 2009 | Freddie Muller | Red Sox | Upper body pose | |
| http://slackjobcards.com/2z28muller.jpg | 1928 Zeenut PCL | 1928 | 28 Zeenut Series - Muller Seattle | Seattle m.l. | Throwing action - full length view | |
| http://tinyurl.com/24jjmcp | 1930 Zeenut PCL | 1930 | 30 Zeenut Series - Muller Seattle | Seattle m.l. | Swinging action - full length view |