Detailed Entry: Humphrey Hedgehog, Esq., author of "The Royal Sprain," etc. [John Agg] The R-----l Mystery, or the Secrets of an Illustrious Family. A Poem, in Three Cantos . . . . To Which is Added the Letters from the Princess of Wales to the Prince Regent and the Speaker of the House of Commons
| Author(s) | Humphrey Hedgehog, Esq., author of "The Royal Sprain," etc. [John Agg] |
| Unattributed Authorship | No |
| Title | The R-----l Mystery, or the Secrets of an Illustrious Family. A Poem, in Three Cantos . . . . To Which is Added the Letters from the Princess of Wales to the Prince Regent and the Speaker of the House of Commons |
| Place(s) of Publication | London |
| Publisher(s) | J. Johnston |
| Publication Date | 1813 |
| Edition | 6th edn. |
| Format | 13 x 22 cm. |
| Pagination or volumes | 28 |
| Price | 2/- |
| Library | British Library |
| Shelfmark | C.131.d.2 (7) |
This edition has been verified by examining the copy in the library with the shelfmark noted above.