This series consists a mix of professional papers and reference materials; including Welch's Columbia degree and architectural; correspondence relating to Welch's appointment as a U.S. delegate to the fourteenth International Congress of Architects in 1937; membership papers to New York Historical Society; and promotional brochures for two non-Welch buildings.
Box 4 Folder 2 Certificates and Diplomas, 1890-1937
New York County, certificate of entry in Register of Architects (1920); New Jersey State Board of Architects (1905); New York State Board of Examiners and Registration of Architects certificate of registration (1922); Department of State, certificate of designation as delegate to the Fourteenth International Congress of Architects with correspondence and list of delegates (1937); University of the State of New York, certificate to practice as architect (undated); State of New Jersey, license to practice architecture (1904); Columbia College's School of Mines diploma (1890).
Box 2 Folder 16 "Impressions on the XIVth International Congress of Architects Held at Paris, July 18-24th", 1937
Typed document describing events and discussions, such as relationship between architect and contractor.
Box 2 Folder 18 New York Historical Society, 1896-1898
Certificate of membership and receipt of life time membership.
Box 2 Folder 17 Promotional brochure for 787 Fifth Avenue (New York, New York) / Architect : Henry J. Hardenbergh, undated
[Building later known as Van Norden Trust Company]
Box 2 Folder 15 Promtional brochure for 71 - 73 Murray Street (New York, New York) / Architects: Carrère & Hastings, undated
Box 4 Folder 3 Reference photographs of English country residences, undated
Albumen photographic prints, mounted on board.