(DVRPC), Delaware Valley Regional Planning Commission. "DVRPC > Site Search". www.dvrpc.org. Archived from the original on 9 April 2019. Retrieved 10 May 2017.
nakashimawoodworkers.com
"History & Team". George Nakashima Woodworkers. Retrieved 2022-06-19.
(DVRPC), Delaware Valley Regional Planning Commission. "DVRPC > Site Search". www.dvrpc.org. Archived from the original on 9 April 2019. Retrieved 10 May 2017.