Science fiction and fantasy author (1907–2000). TLS, one page, 7.5 x 11, ornate dinosaur-themed personal letterhead, May 4, 1971. In part: “I should indeed be glad of copies of your remaining HPL [noted author H. P. Lovecraft] correspondence…I should, however, be especially interested in any additional letters from the last five or six years of HPL’s life.” In fine condition, with intersecting folds, one through a single letter of signature, and mild edge toning. Accompanied by the original mailing envelope. de Camp would go on to write the first major independent biography of Lovecraft. RRAuction COA.