| Literature Title | Date | Page(s) | Model(s) | Set Nr | s/n range or type | Comments |
| Service Manual Supplement | Mar-1934 | 1 | All | Tabulated data | ||
| Service Manual Supplement | Mar-1934 | 2 | 165Q | 38700 | Schematic | |
| Service Manual Supplement | Mar-1934 | 3 | 425 | 39500 | Schematic | |
| Service Manual Supplement | Mar-1934 | 2 | 525Q | 39100 | Schematic | |
| Service Manual Supplement | Mar-1934 | 3 | 665 | 39600 | Schematic | |
| Service Manual Supplement | Mar-1934 | 4 | 816 | 37400 | Schematic | |
| Service Manual Supplement | Mar-1934 | 4 | 926 | 39000 | Schematic | |
| Service Manual Supplement | Mar-1934 | 1 | 926 PU | 39000 | Schematic | |
| Service Manual Supplement | Mar-1934 | 4 | 936 | 38800 | Schematic | |
| Service Manual Supplement | Mar-1934 | 1 | 936 PU | 38800 | Schematic |