The NYSMMVRC Library and Archive is a great resource for anyone studying New York State military, cultural and social history, and if you are looking for information about New York men and women veterans in federal service.
The physical library and archive features a collection of more than 2000 volumes of military and New York State history; over 5,000 unit and individual soldier photographs; unit history files; broadsides; scrapbooks; letters; armory and unit collections; and maps. Here is another great resource that is constantly being updated and now some of that vast collection is available for free on line:
Link to the table of contents:
Some of the individual resoruces:
Adjutant General ReportsNew York National Guardsman
New York State Awards, Decorations and Medals
Register of officers whose services terminated prior to Jan. 1, 1858
Congressional Medal of Honor Recipients Affiliated with New York