It was voodoo, apparently, but voodoo of a more terrible sort than they had ever known; and some of their women and children had disappeared since the malevolent tom-tom had begun its incessant beating far within the black haunted woods where no dweller ventured.
1928 February, H[oward] P[hillips] Lovecraft, “The Call of Cthulhu”, in Farnsworth Wright, editor, Weird Tales: A Magazine of the Bizarre and Unusual, volume 11, number 2, Indianapolis, Ind.: Popular Fiction Pub. Co., pages 159–178 and 287