Edison 50431 (Not issued) (10-in. double-faced)
The following matrix(es) were released with this catalog number:
| Company | Matrix No. | Take Number | Date | Title/Artist | |
|---|---|---|---|---|---|
| Edison | 3966 | A | 7/14/1915 | Thanatopsis, part 1 / Harry E. Humphrey | |
| Edison | 3966 | B | 7/14/1915 | Thanatopsis, part 1 / Harry E. Humphrey | |
| Edison | 3966 | C | 7/14/1915 | Thanatopsis, part 1 / Harry E. Humphrey | |
| Edison | 3967 | A | 7/14/1915 | Thanatopsis, part 2 / Harry E. Humphrey | |
| Edison | 3967 | B | 7/14/1915 | Thanatopsis, part 2 / Harry E. Humphrey |