Rosen, Harvey. "A strikeout is called on first Jewish umpire", Cleveland Jewish News, July 26, 2001. Accessed March 7, 2023. "When I read the story, which implicated American League umpire Al Clark, I was overwhelmed by a sense of sadness.... The Trenton, N.J., native, who now lives in Williamsburg, Va., became an umpire, he says, because he loved baseball, but only had sufficient talent to play ball at the college and the semipro levels."
"Station: Williamsburg 2 N, VA". U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991-2020). National Oceanic and Atmospheric Administration. Retrieved July 5, 2021.
