* The Shadow Over Innsmouth (1931)
* At the Mountains of Madness (1936)
* The Shadow Over Innsmouth, and Other Stories (1939)
* The Dunwich Horror and Others (1963)
* The Colour Out of Space (1963)
* The Lurker at the Threshold (1945)
* The Shadow Out of Time (1936)
* The Dreams in the Witch House (1933)
* The Thing on the Doorstep (1937)
* The Case of Charles Dexter Ward (1941)
* The Shunned House (1928)
* In the Walls of Eryx (1939)
* The Whisperer in Darkness (1931)
* The Statement of Randolph Carter (1919)
* The Horror at Red Hook (1927)
* The Rats in the Walls (1923)
* The Music of Erich Zann (1922)
* The Call of Cthulhu (1928)
* Dagon (1917)
Nonfiction
* "The Outsider" (1926)
* "On the Creation of Cosmic Horror" (1933)
* "Introduction to The Outsider and Others" (1939)
* "Supernatural Horror in Literature" (1927)
* "H.P. Lovecraft: A Memoir" by August Derleth (1945)
* "Lovecraft at Last: A Cycle of Letters and Reminiscences" by August Derleth (1975)
* "Lovecraft: A Look Behind the Cthulhu Mythos" by Lin Carter (1972)
* "Lovecraft: A Biography" by L. Sprague de Camp (1975)
* "Lovecraft: A Critical Study" by S.T. Joshi (1996)
* "The Annotated H.P. Lovecraft" by S.T. Joshi and Peter Cannon (1997)
* "Lovecraft: The Writer and His Work" by David E. Schultz (2001)
* "The H.P. Lovecraft Encyclopedia" by S.T. Joshi (2001)
* "Lovecraft: A Life" by Michel Houellebecq (2005)
* "The New Lovecraft Circle: A Collection of Essays" edited by S.T. Joshi (2009)