Free Admission Sunday at Hamilton Grange National Memorial - see INFO below. The materials are diverse in type, ranging from photographs, to letters, to maps and prints. This three-year project to catalog, reorganize, and digitize the collections was funded by the National Parks of New York Harbor Conservancy through a grant from the Leon Levy Foundation. Materials were chosen for digitization based on a variety of factors, including both informational and visual content, fragility, and aesthetic qualities. Visit the website and explore the archives. More Info below.