New York Censuses Existing and Lost

United States &gt;  U.S. Census  &gt;  New York  &gt;  Census  &gt;  Existing and Lost

Existing and Lost Census Schedules
Wiki articles describing online collections are found at:

New York 1865 State Census (FamilySearch Historical Records)

Sources and Notes
A good explanation of the importance of the Special Federal Census schedules from a genealogical standpoint, see the article: Special Federal Census Schedules for New York State.