- THE GLORY THAT WAS. [Paperback] by DE CAMP, L. SPRAGUE by L. SPRAGUE DE CAMP, 1971
- Best of L Sprague De Camp Corben Cover by L Sprague De Camp, 1978
- The Best of L. Sprague De Camp by L. Sprague De Camp, 1978
- The Heroic Age of American Invention 32 Men by L. Sprague De Camp, 1961
- De Camp - An L. Sprague de Camp Bibliography by Charlotte Laughlin, 1983-05
- L. Sprague de Camp: Three Short SF and Fantasy Poems by L. Sprague de Camp, 2003-09-25
- The Best of L. Sprague De Camp by L. Sprague de Camp, 1978
- The Best of L. Sprague De Camp Introduction by Poul Anderson by L Sprague De Camp, 1978
- The Story of Science in America, By L. Sprague De Camp and Catherine C. De Camp. Illustrated By Leonard Everett Fisher by L. Sprague (Lyon Sprague) De Camp, 1967
- H.P. Lovecraft: A Biography by L. Sprague De Camp, 1996
- Energy and power: How man uses animals, wind, water, heat, electricity, chemistry, and atoms to help him in his daily living (Golden library of knowledge) by L. Sprague De Camp, 1962
- THE BEST OF L. SPRAGUE DE CAMP: Hyperpilosity; Language for Time Travelers; The Command; The Merman; Employment; The Gnarly Man; Reward of Virtue; Nothing in the Rules; The Hardwood Pile; The Reluctant Shaman; The Inspector's Teeth; The Ameba
- Lovecraft: A Biography by L. Sprague De Camp, 1976-07-12
- Conan the Freebooter by Robert E. And De Camp, L. Sprague Howard, 1968
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