^Eyles, N. Ontario Rocks: Three Billion Years of Environmental Change. Fitzhenry & Whiteside, Markham, Ontario. 339 p.
擴展閱讀
Donaldson Eberlein, Harold; Van Dyke Hubbard, Cortlandt. Historic houses of the Hudson valley. New York: Architectural Book Pub. Co. 1942. OCLC 3444265.
Scheltema, Gajus and Westerhuijs, Heleen (eds.),Exploring Historic Dutch New York. Museum of the City of New York/Dover Publications, New York (2011). ISBN 978-0-486-48637-6
Hudson Valley Health Systems Agency. Health Maintenance Organizations in the Hudson Valley Region. Tuxedo, NY: Hudson Valley Health Systems Agency. 1993. OCLC 30910810.
Marks, Alfred H. Literature of the Mid Hudson Valley: A Preliminary Study. New Paltz, NY: Center for Continuing Education, State University College. 1973. OCLC 1171631.