| ▲Título▼≋ | ▲Original▼≋ | ▲Año▼≋ | Idioma | △C▼⊗≋ | ▲V▼ |
|---|
| To Farnsworth Wright, December 1927 | | 1927 | Inglés |   | — |
| To Farnsworth Wright, December 1933 | | 1933 | Inglés | | — |
| To Farnsworth Wright, February 1928 | | 1928 | Inglés | | — |
| To Farnsworth Wright, January 1926 | | 1926 | Inglés | | — |
| To Farnsworth Wright, June 1936 | | 1936 | Inglés | | — |
| To the Editor of The All-Story Cavalier, January 1913 | | 1913 | Inglés | | — |
| To the Editor of The All-Story Weekly, February 1914 | | 1914 | Inglés | | — |
| To Willis Conover, 23 September 1936 | | 1936 | Inglés | | — |
| To Willis Conover, 24 August 1936 | | 1936 | Inglés | | — |
| A Willis Conover, 23 de septiembre de 1936 | To Willis Conover, 23 September 1936 | 2017 | Español | | — |
| A Willis Conover, 24 de agosto de 1936 | To Willis Conover, 24 August 1936 | 2017 | Español | | — |
| Apéndice 4: Genealogía de las razas primordiales | To James F. Morton, 27 April 1933 | 2017 | Español |  | — |
| Appendix 4: Genealogy of the Elder Races | To James F. Morton, 27 April 1933 | 2014 | Inglés | | — |
| To August Derleth, 13 April 1937 | | 1937 | Inglés | | — |
| A August Derleth, 13 de Abril de 1937 (fragmento) | To August Derleth, 13 April 1937 | 2008 | Español | | — |
| To August Derleth, 29 April 1937 | | 1937 | Inglés | | — |
| A August Derleth, 29 de Abril de 1937 (fragmento) | To August Derleth, 29 April 1937 | 2008 | Español | | — |
| Carta a Wright | To Farnsworth Wright, 5 July 1927   | 2008 | Español | | — |
| Una carta abierta a H.P. Lovecraft | An Open Letter to H.P. Lovecraft | 1991 | Español | | — |
| Carta de H. P. Lovecraft a Frank Belknap Long, 2 de febrero de 1922 | To Frank Belknap Long, 2 February 1922 | 2017 | Español | ? | — |
| Correspondencia | Letters to Mr. Campbell | 2013 | Español | | — |
| A Duane W. Rimel (1934-1935) | Letters to Duane W. Rimel (1934-1935) | 2017 | Español | | — |
| Excerpts from the letters of H. P. Lovecraft (to Duane W. Rimel) | Letters to Duane W. Rimel (1934-1935) | 1942 | Inglés | | — |
| A Farnsworth Wright, 5 de julio de 1927 | To Farnsworth Wright, 5 July 1927 | 2017 | Español | | — |
| A H. P. Lovecraft, 16 de Junio de 1934 (fragmento) | To H. P. Lovecraft, 16 June 1934 | 2008 | Español | | — |
