| ADS | autograph document signed |
| ALS | autograph letter signed |
| APcS | autograph postcard signed |
| autogr. | autograph |
| contemp. | contemporary |
| DS | document signed (otherwise secretarial) |
| engr. | engraved |
| f. (ff.) | folio(s) |
| folio | folio size |
| lithogr. | lithographed |
| LS | Letter signed (otherwise secretarial) |
| ms. | manuscript |
| n. p. | no place |
| n. p. o. d. | no place or date |
| n. p. o. y. | no place or year |
| p. (pp.) | page(s) |
| PcS | postcard signed |
| 8vo | octavo size |
| 4to | quarto size |
| 12mo | duodecimo size |
| 16mo | sedecimo size |