Lowell Democrat Niki Tsongas won't seek another term in Congress - The Boston Globe
Mass. Congresswoman Niki Tsongas questions military officials about President Obama's strategy on ISIS - masslive.com
Congresswoman Niki Tsongas On Her Decision To Step Down In 2018 | Radio Boston
Rep. Tsongas On The Democratic Party And Trump | Radio Boston
Niki Tsongas with Campaign Chair Ellen Murphy Meehan | Flickr
Nicola (Niki) Sauvage Tsongas | TheHill
Contenders line up to take shot at Niki Tsongas' seat – Boston Herald
US Rep. Niki Tsongas reflects on tenure in Congress, says it's time for 'new blood' on Capitol Hill - masslive.com
Rep. Niki Tsongas Reflects On A Decade In Congress | Radio Boston
Massachusetts Congresswoman Niki Tsongas joins Marine Corps Systems Command acquisition experts aboard Marine Corps Base Quantico, Virginia, July 11, for a sneak peek at the latest gear for the 21st Century Marine.
Niki Tsongas | Federal News Network
Niki Tsongas On Leaving Congress, Advice For Incoming Congresswomen
Congresswoman Niki Tsongas Won't Seek Reelection | Marlborough, MA Patch
Scramble to fill Niki Tsongas” seat may include top Walsh aide, Sal”s Pizza founder – Boston Herald
U.S. Rep. Niki Tsongas says she won't seek re-election