New York Historical SocietyThe library at the New-York Historical Society is one of the oldest independent research libraries in the United States. Collection strengths include local history of New York City and State; colonial history; the Revolutionary War; American military and naval history; religions and religious movements, 18th and 19th century; the Anglo-American slave trade and conditions of slavery in the United States; the Civil War; American biography and genealogy, and American art and art patronage.