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Keith --
The Rare Books and Manuscripts Div. of NYPL (212-930-0801) has an atlas
published by W. Holtrop in Amsterdam, thought to be from the 1790s.  It
includes maps engraved in the 1780s.  It is a small atlas, 14 cm. high.  The
classmark of the atlas is *KF 179- Holtrop.  (I haven't looked at it to see if
it contains your map.) Holtrop's dates are given as 1751-1835 in NYPL's
retrospective catalog.
Nancy Kandoian
930-0588
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