John Coffee Hays
John Coffee Hays: San Francisco's First Elected Sheriff
John Coffee Hays: San Francisco's First Elected Sheriff
Sheriff Tom Finn: The City's #1 Political Boss History of the San Francisco Sheriff's Department
John Coffee Hays - Wikipedia
Jack C. Hays High School - Wikipedia
Hays, John Coffee Jack Texas Ranger Hall of Fame and Museum
Historical Legends of The Old West
Colonel Jack Hays Texas Frontier Leader and California Builder: James Kimmins Greer: : Books
Tales of the California State Sheriffs' Association
John Coffee Hays: San Francisco's First Elected Sheriff
Lives of the Dead: Mountain View Cemetery in Oakland: Colonel John Coffee “ Jack” Hays (1817 - 1883) - Famous Texas Ranger; S.F.'s First Elected Sheriff