Scope and Content The Blackmore Collection includes promotional and research material documenting his investment concerns. Blackmore was instrumental in publishing books about the Southwest, Spanish land grants, Mexican land law and United States Territorial law regarding land grants. 1932 Barbara Aitken, an anthropologist who worked with Edgar Lee Hewett, secured the Blackmore Papers for the Historical Society of New Mexico. The Charles D. Poston papers are part of the Blackmore Collection. Most of...