This series includes materials documenting Webb's architectural career and the various projects on which he worked, including blueprints, floor plans, stained glass window designs, and other technical drawings; photographs and engravings; correspondence; agreements; news clippings; brochures; programs; and advertisements. The majority of the blueprints, floor plans, and other technical drawings and designs are contained in the oversize boxes.
Among Webb's projects represented in the series are Carnegie Library (Northport, Long Island), Cypress Hills Abbey (Brooklyn, N.Y.), Fairview Mausoleum (Fairview, N.J.), Ferncliff Mausoleum (Hartsdale, N.Y.), Holy Cross Cloister (Brooklyn, N.Y.), Hotel Fort Montagu (Nassau, Bahamas), Memorial Abbey (Queens, N.Y.), Mount Lebanon Cemetery (Brooklyn, N.Y.), Public School No. 6 (West New York, N.J.), Williams Mausoleum (Brookville, Long Island), and various private homes and apartment buildings, among many others.
Additional items include two volumes of professional publications containing architectural plans and designs by Webb's colleagues; a certificate to practice architecture issued to Webb by the Commonwealth of Pennsylvania; a loose oversize volume of architectural compositions by Henry P. Kirby (d. 1915) and ephemera relating to Webb's projects; and a scrapbook of additional correspondence, architectural drawings, photographs and engravings, and clippings and ephemera relating to Webb's work and architecture in general.