Hotel du Pont is a historic hotel located in Wilmington, Delaware that opened in 1913. The Hotel du Pont Company was organized on July 2, 1912, for the purpose of operating a hotel within the Du Pont Building in downtown Wilmington. The Hotel du Pont historical files were collected to assist in the preparation of an Arcadia book by Joanna L. Arat, which was issued to mark the 100th anniversary of the hotel, and include administrative records, marketing and sales information, food services and material related to other special events.

Hotel du Pont is a historic hotel located in Wilmington, Delaware that opened in 1913. This collection of Hotel du Pont materials represents publicity materials covering the renovations within the hotel and some of the more special events held there primarily dating from 1980 to 1992.

The Lake Mohonk Mountain House was a noted summer resort hotel located on Lake Mohonk in the Shawangunk Mountains of Ulster County, northwest of New York City. The collection consists of tear sheets from the trade press, advertisements, trade literature, trade catalogs and other publications collected by Daniel Smiley (1796-1878), former manager of the Lake Mohonk Mountain House, in the course of planning and executing new projects, maintaining the building and grounds, and purchasing new furnishings and equipments. This material is accompanied by fairly routine letters of request and replies from sales representatives. There are also some copies of hotel menus and programmes for social events.