Description:
Plans and blueprints of the Cyrus H. McCormick House at 40-50 East Huron Street in Chicago, the first ALA headquarters in Chicago, contains plats (1889, 1890-93,1894, 1899, 1906-2, 1916) floor plans - 36 (1931, 1946), an east elevation and blueprints for china closet, den - 4, doors - 3, fire escape - 2, laundry (1914 - 2), lobby, music room - 2, stable (1910-6), storeroom (1910) and tapestry room - 15.