| A | autograph |
| AP | tissue proof of autograph |
| APh | photographic reproduction of autograph |
| B | Bartók |
| -B | Bartók’s personal copy with autograph corrections |
| C | copy |
| -corr | corrected copy |
| D | draft |
| E | edition |
| EC | engraver’s copy |
| F | facsimile reproduction |
| GA | Grotesken-Album |
| -incip | incipit |
| K | Serge Koussevitzky |
| MC | master copy |
| MdZ | Musik der Zeit |
| MfT | Musik für Tänzer |
| MS, MSS | manuscript, manuscripts |
| P | proof sheets |
| PB | Peter Bartók |
| R | Fritz Reiner |
| Rec | recording |
| RM | La Revue musicale |
| S | sketch |
| T | typewritten copy |
| ( ) | missing source |
| [ ] | reconstructed earlier stage of source |