Hello Mr. Gasero.  This was forwarded to me for a suggestion.  Try contacting the Dutchess County Historical Society in Poughkeepsie.  They may have some ideas.  The phone number is (914) 471-1630.  Good luck.

C. Raymond LaFever
New York State Archives and Records Administration
350 Dutchess Turnpike
Poughkeepsie, NY  12603
(914) 485-2633
Fax (914) 485-2635
http://www.sara.nysed.gov
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>>> <[log in to unmask]> 11/16 2:45 PM >>>
I am looking for sermons or papers (to assist a researcher) of the Rev. Isaac
Rysdyk. Rysdyk was a graduate of the University of Groningen in 1751 and came
to America in the 1760s. He was the pastor of congregations in Hopewell, New
Hackensack, and Poughkeepsie, New York, from 1765 to 1772 and of Fishkill,
Hopewell, and New Hackensack, New York from 1772 to 1789. He died in 1790.

Any leads or suggestions would be appreciated.

Russell L. Gasero
Archives of the Reformed Church in America
21 Seminary Place
New Brunswick, NJ 08901

(732) 246-1779

Preserving the past...providing for the future