"New York (State). Treasurer." . . . . . . . . . . . . . "Maps" . . . . . . . . . . . . . . . . . . . . . . . "Invoices" . . . . . . . . . . . . . . . "Warrants" . . . . . . . . . . . . . . . . . . "A large collection of personal, family and business papers of Lansing and his wife, Helen Ten Eyck. The Lansings and Ten Eyck's were large, extended families descended from the early Dutch settlers of Albany and the Hudson and Mohawk Valleys. These papers reflect the extensive involvement that these families had in property ownership, government and commercial affairs in New York Colony and State." . . "Personal letters" . . . . . . . . . . "History" . . "Deeds" . . . . "Patents (land)" . "United States" . . . . "New York (State)" . .