Kronthaler, Helmut (2009). Tegethoff, Wolf; Savoy, Bénédicte; Beyer, Andreas (eds.). "Geary, Kevin". Allgemeines Künstlerlexikon Online / Artists of the World Online. K. G. Saur. Retrieved October 1, 2021.
Public Broadcasting System (PBS), from Two Square Miles documentary: "Jung co-founded Friends of Hudson and served as president of the organization throughout most of its six-year battle with St. Lawrence Cement."
Public Broadcasting System (PBS): "Pratt is the devoted co-founder and executive director of Friends of Hudson, the grassroots organization that has helped score a series of against-the-odds environmental and political victories in the Hudson Valley, including the fight against the St. Lawrence Cement plant proposal."
