Emma Howson estate 1928-1947
Clelia Howson Parsons estate 1931
Hosmer B. Parsons correspondence approximately 1854-1908
Parsons and Howson family clippings 1888-1952
Parsons family genealogy correspondence and research 1890s
Parsons and Howson family genealogy correspondence and research 1958-1997
Homestake Mine and Colorado brochures 1902-1957
Mexican mine photographs approximately 1890s