part 1

.; Juan F. Riano, "Spanish Arts," _Art Handbook_, Victoria and Albert Museum; H. Schuermans, "Muranese and Altarist Glass Workers," eleven letters: _Bulletins des commissions royales_ (Brussels, 1883, 1891). For the United States, see vol. x. of _Reports of the 12th Census_, pp. 949-1000, and _Special Report of Census of Manufactures_ (1905),