ETDP collection
| Letter | Unrestricted | Restricted | Mixed | Subtotal |
|---|---|---|---|---|
| A | 19 | 4 | 0 | 23 |
| B | 53 | 11 | 0 | 64 |
| C | 33 | 8 | 0 | 41 |
| D | 11 | 2 | 0 | 13 |
| E | 8 | 2 | 0 | 10 |
| F | 14 | 5 | 0 | 19 |
| G | 24 | 4 | 0 | 28 |
| H | 41 | 5 | 0 | 46 |
| I | 2 | 1 | 0 | 3 |
| J | 13 | 2 | 0 | 15 |
| K | 20 | 3 | 0 | 23 |
| L | 20 | 6 | 1 | 27 |
| M | 56 | 16 | 0 | 72 |
| N | 9 | 1 | 0 | 10 |
| O | 11 | 2 | 1 | 14 |
| P | 21 | 6 | 0 | 27 |
| Q | 1 | 0 | 0 | 1 |
| R | 16 | 5 | 0 | 21 |
| S | 50 | 12 | 2 | 64 |
| T | 14 | 3 | 0 | 17 |
| U | 3 | 0 | 0 | 3 |
| V | 11 | 2 | 0 | 13 |
| W | 23 | 9 | 0 | 32 |
| X | 0 | 1 | 0 | 1 |
| Y | 5 | 2 | 0 | 7 |
| Z | 3 | 0 | 0 | 3 |
| All | 482 | 112 | 4 | 598 |