Marginalia is a collection of Fantasy, Horror and Science fiction short stories, essays, biography and poetry by and about the American author H. P. Lovecraft. It was released in 1944 and was the third collection of Lovecraft's work published by Arkham House. 2,035 copies were printed. The contents of this volume were selected by August Derleth and Donald Wandrei. The dust-jacket art is a reproduction of Virgil Finlay's illustration for Lovecraft's story "The Shunned House."