Montana State Genealogical Society and Ancestry.com. Montana Death Index, 1907-2002 [database online]. Provo, Utah: MyFamily.com, Inc., 2005. Original data:
Montana. Montana State Death Registry Index, 1907-1953. Montana State Genealogical Society, Montana.
State of Montana. Montana Death Index, 1954-2002. State of Montana Department of Public Health and Human Services, Office of Vital Statistics, Helena, Montana.