The address of the Ogle County Historical Society is: Po Box 183, Oregon, IL 61061-0183
The address of the Tillamook County Historical Society is: Po Box 123, Tillamook, OR 97141
The address of the Clatsop County Historical Society is: 1618 Exchange Street, Astoria, OR 97103
The address of the Gilliam County Historical Society is: Po Box 377, Condon, OR 97823
The address of the Lake County Historical Society is: Po Box 48, Lakeview, OR 97630
The address of the Clatskanie Historical Society is: Po Box 157, Clatskanie, OR 97016-0157
The address of the Douglas County Historical Society is: Po Box 2534, Roseburg, OR 97470-0430
The address of the Polk County Historical Society is: Po Box 67, Monmouth, OR 97361-0067
The address of the Deschutes County Historical Society is: 129 Nw Idaho Ave, Bend, OR 97701-2602
The address of the Lincoln County Historical Society is: 545 Sw 9Th St, Newport, OR 97365-4726
The address of the Linn County Historical Society Inc is: 1132 30Th SW, Albany, OR 97321
The address of the Washington County Historical Society is: 17677 Nw Springvl Rd, Portland, OR 97229-1743