Which library is operated by the society that also operates a museum which became a National Historic Landmark in 1962?
Maine Historical Society: The Maine Historical Society is the official state historical society of Maine. Wadsworth-Longfellow House: The Wadsworth-Longfellow House is a historic house and museum in Portland, Maine, United States. Wadsworth-Longfellow House:  It was designated a National Historic Landmark in 1962, and administratively added to the National Register of Historic Places in 1966.
i don't know