Abstract Photocopies of research by Alice Hill, daughter of Robert E. Hill (d. 1945), one of the owners and founder of the Indian Territory Illuminating Oil Company (Oklahoma City) and of property above the Oklahoma City pool [oil reserves], into the status of his estate. Ms. Hill believed her father was murdered for his money and property. The papers contain letters, court documents, pamphlets, and clippings (all photocopied) documenting Ms. Hill's research, which was carried on by her...