Silvagni's La Corte e la Societa Romana nei secoli XVIII.
Ii.; Jules Brunfaut, De l'Exploitation des soufres (2nd ed., 1874); Georgio Spezia, Sull' origine del solfo nei giacementi solfiferi della Sicilia (Turin, 1892).
The modern city consists of the nei ch' eng, or inner city, commonly known to foreigners as the "Tatar city," and the wai ch' eng, or outer city, known in the same way as the "Chinese city."
These names are somewhat misleading, as the inner city is not enclosed within the outer city, but adjoins its northern wall, which, being longer than the nei ch'eng is wide, outflanks it considerably at both ends.
Romano, Antichita Termitane (Palermo, 1838); Mauceri, Acropoli Pelasgica nei dintorni di Termini Imerese (Palermo, 1896).