The web address of the Washington County Historical Society is: www.washingtoncountymuseum.org
The address of the Washington County Historical Society is: 17677 Nw Springvl Rd, Portland, OR 97229-1743
The web address of the Historical Society Of Washington is: www.historydc.org/
The address of the Portland Historical Society Museum is: Po Box 98, Portland, CT 06480
The address of the South Portland Historical Society is: 55 Buglight Rd, S Portland, ME 04106-1654
The web address of the Oregon Historical Society is: http://www.ohs.org
The web address of the Maine Historical Society is: http://www.mainehistory.org
The address of the Portland Police Historical Society is: 1111 Sw 2Nd Ave Suite 1682, Portland, OR 97204-3231
The address of the Frw Historical Society is: 17111 Ne Sandy Blvd, Portland, OR 97230
The web address of the Washington Courts Historical Society is: www.wacourthistory.org
The web address of the Washington State Historical Society is: washingtonhistory.org/wshs.index.htm
The address of the Oregon Historical Society is: 1200 Sw Park Ave, Portland, OR 97205-2441
The address of the Maine Historical Society is: 489 Congress St Ste 2, Portland, ME 04101-3415