Material in this collection mainly consists of correspondence during his time as a state Congressman and Senator. There is also some personal correspondence during and after his time in political office.
Senate Bill 186, Equalize bank taxes with other lending institutions , 1955. Ottis E. Lock Papers, . East Texas Research Center. http://archives.sfasu.edu/repositories/2/archival_objects/45249 Accessed January 21, 2022.