The collection consists of three County Jail Log
Books, thirteen volumes of Mug Books containing approximately 7600 photographs,
and a State of California Parole Violators ledger.
This collection consists of records kept by long-time San Joaquin County
Sheriffs Thomas Cunningham(1871-1899) and Walter Sibley (1899-1915). Cunningham
was an early advocate of many techniques of modern criminology, including
fingerprinting. He kept thorough photographic records of all prisoners in his
own jail and collected photographs of prisoners in other California jails as
Permission for publication is given on behalf of Special Collections as
the owner of the physical items and is not intended to include or imply
permission of the copyright holder, which must also be obtained by the
Collection open for research.