12.4 Dates of the Relationship
12.4.1 Record when relevant the commencement date of the relationship or succession date and, when relevant, the cessation date of the relationship. Dates should be recorded as described in rules 11.1.4–11.1.5.
Minnesota. Dept. of Game and Fish (entity described in archival authority record)
Minnesota. Division of Game and Fish (related entity)
1931 (date of succession)
Humphrey, Hubert H. (Hubert Horatio), 1911-1978 (entity described in archival authority record)
Brown, Muriel Buck Humphrey (related entity)
1936 September 3–1978 January 13 (dates of the relationship's existence)