Union Contracts, 1946,1950 Box 2, Folder 12 Bookmark Collection Context Mattatuck Museum Chase Brass and Copper Company Records, 1930-1981…
Union Square, undated Box 3 Bookmark Collection Context Mattatuck Museum Waterbury Postcard Collection, 1904-1985 and undated…
Uniroyal Chemical Co. (est. 1892), company history to 1976, 1976 Box 4, Folder 12 Bookmark Collection Context Mattatuck Museum Waterbury Manufacturing and Business Collection, bulk circa 1770-1984 and undated; bulk 1824-1890…
United Auto Workers [UAW] promotional materials, 1971-1978 and undated Box 3, Folder 4 Bookmark Collection Context Mattatuck Museum Brass Worker's History Project Collection, 1919-1983, circa 1995, and undated…
United profit-sharing coupons, 1935 Box 6, Folder 2 Bookmark Collection Context Mattatuck Museum Chase Brass and Copper Company Records, 1930-1981…
United States Button Company, 1874 Box 4, Folder 13 Bookmark Collection Context Mattatuck Museum Waterbury Manufacturing and Business Collection, bulk circa 1770-1984 and undated; bulk 1824-1890…
United States Capitol, Washington, D.C., USA, 1900 Box 1, Object 86 Bookmark Collection Context Mattatuck Museum Stereograph Collection, 1895-1905
United States Post Office, Waterbury – Parcel Post Guide, 1938 Box 14, Folder 1 Bookmark Collection Context Mattatuck Museum Waterbury Manufacturing and Business Collection, bulk circa 1770-1984 and undated; bulk 1824-1890…
United States Rubber Company / Uniroyal, bulk 1983, undated Box 11, Folder 2, 3 Bookmark Collection Context Mattatuck Museum Waterbury Manufacturing and Business Collection, bulk circa 1770-1984 and undated; bulk 1824-1890…
United We Serve, YMCA, YWCA, National Catholic War Council, Knights of Columbus, Jewish Welfare Board, War Camp Community Service, American Library Association, Salvation Army, United War World Campaign Box 2, Folder 9 Bookmark Collection Context Mattatuck Museum World War I Poster Collection, 1914-1918…