Jefferson. The Jefferson Township Historical Society will hold a membership meeting on Wednesday, March 18 at 7 p.m. in the Riker Room of the Jefferson Public Library, 1031 Weldon Road, Jefferson, NJ. Reports on the status of the Society and Museum will be presented. Anyone interested in joining the organization is encouraged to attend this meeting, as new members are always welcome. For further information, refer to the Jefferson Township’s Historical Society website at www.jeffersontownship.net/360/historicalsociety or call Christine Williams, Jefferson Township Historical Society President at 973-697-0258. Follow us on Facebook: Jefferson Twp Historical Society.