- Series: The Lovecraft Letters Series Record # 32023
- Webpages: hplovecraft.com, WorldCat
- The Lovecraft Letters
- H. P. Lovecraft: Letters to Henry Kuttner (1990) [NF] by H. P. Lovecraft
- H. P. Lovecraft: Letters to Richard F. Searight (1992) [NF] by H. P. Lovecraft
- Mysteries of Time and Spirit: Letters of H. P. Lovecraft and Donald Wandrei (2002) [NF] by S. T. Joshi and H. P. Lovecraft and David E. Schultz and Donald Wandrei
- Letters to Alfred Galpin (2003) [NF] by H. P. Lovecraft
- Letters From New York (2005) [NF] by H. P. Lovecraft
- Letters to Rheinhart Kleiner (2005) [NF] by H. P. Lovecraft
- O Fortunate Floridian: H. P. Lovecraft's Letters to R. H. Barlow (2007) [NF] by H. P. Lovecraft
- Essential Solitude: The Letters of H. P. Lovecraft and August Derleth (2008) [NF] by August Derleth and S. T. Joshi and H. P. Lovecraft and David E. Schultz
- Letters to James F. Morton (2011) [NF] by H. P. Lovecraft
- Letters to Elizabeth Toldridge and Anne Tillery Renshaw (2014) [NF] by S. T. Joshi and H. P. Lovecraft and David E. Schultz
- Letters to Robert Bloch and Others (2015) [NF] by S. T. Joshi and H. P. Lovecraft and David E. Schultz
- H.P. Lovecraft: Letters to C. L. Moore and Others (2017) [NF] by S. T. Joshi and H. P. Lovecraft and David E. Schultz
- H. P. Lovecraft: Letters to Maurice W. Moe and Others (2017) [NF] by S. T. Joshi and H. P. Lovecraft and David E. Schultz
- Selected Letters (H. P. Lovecraft)
- 1
Selected Letters: 1911—1924?Selected Letters: 1911-1924(1965) [NF] by H. P. Lovecraft
- 2
Selected Letters: 1925—1929?Selected Letters: 1925-1929(1968) [NF] by H. P. Lovecraft
- 3
Selected Letters: 1929—1931?Selected Letters: 1929-1931(1971) [NF] by H. P. Lovecraft
- 4
Selected Letters: 1932—1934?Selected Letters: 1932-1934(1976) [NF] by H. P. Lovecraft
- 5
Selected Letters: 1934—1937?Selected Letters: 1934-1937(1976) [NF] by H. P. Lovecraft
- An Index to the Selected Letters of H. P. Lovecraft (1980) [NF] by S. T. Joshi
- 1