Pitney, Henry Cooper. A History of Morris County, New Jersey: Embracing Upwards of Two Centuries, 1710-1913, p. 174. Lewis Historical Publishing Company, 1914. Accessed September 24, 2015. "The stone church was built by the same congregation as a union church in 1774. This old church was peculiarly built, it had no gable end nor steeple, the roof sloping down to the walls on four sides. Inside there were galleries on three sides, the little pulpit box standing on one leg under an immense sounding board. First among the Lutheran preachers in the valley was Rev. Heny Melchior Muhlenberg, D.D., known as the 'Father of American Lutheranism' (remembered by Muhlenberg College, Allentown, Pennsylvania), a man of great learning and deep piety."
Staff. "Morris History Includes Rich, Famous", Daily Record, June 23, 2002. Accessed January 26, 2020. "Film and stage actress Celeste Holm still owns an 18th-century farmhouse in Long Valley that has been in her family for three generations."
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Goldberg, Dan. "N.J. to purchase, preserve millionaire's Long Valley land as open space", The Star-Ledger, December 8, 2010. Accessed September 3, 2019. "Jack Borgenicht, an eccentric millionaire, was known in Morris County for his philanthropic and preservation efforts. The late local legend helped spur the success of Morris County’s fledgling preservation program 15 years ago. Now state, county and local officials think it’s a fitting tribute to purchase and preserve 228 acres of his Long Valley estate."
Sucato, Kirsty. "Communities; A Fight to Restore Cleanup Money", The New York Times, January 27, 2002. Accessed September 3, 2019. "The reauthorization bill's main opponent, Assemblyman Guy R. Gregg, Republican of Long Valley, acknowledged that politics were partly to blame."
Franze, Anthony. "A Between The Lines Interview with Lisa Unger by Anthony J. Franze", The Big Thrill, January 1, 2014. Accessed May 18, 2016. "My teen years were spent in a small town in New Jersey called Long Valley. When I turned eighteen, I left for college in Manhattan and spent the next thirteen years in New York City. My brother swears that Long Valley was my inspiration for The Hollows."