Correspondence, specifications, contracts, invoices, financial statements, memoranda, and architectural drawings pertaining to the construction of St. Paul's Chapel (Columbia University, New York, N.Y.), a project designed by Howells & Stokes, and by Stokes independently. Correspondence is between Howells & Stokes and Columbia University officials, contractors, and suppliers, including Nicholas Murray Butler, R. Guastavino Co., Tiffany Studios, Coppède, Paul Manship, and McKim, Mead & White, as well as Stokes' aunts Olivia Egleston Phelps Stokes and Caroline Phelps Stokes.