Korea : through the ages; Vol.1: ancient
by Association of Korean History Teachers
Academy of Korean Studies, 2005
 Buku Referensi
Ceram, C.W., 1915-1972
The secret of hitties : the discovvery of an ancient empire
Alfred A. Knopf, 1956
 Buku Teks SO
Ancient maps reflect the currents of the middle ages
 Artikel Jurnal
Reid, Rob
More family storytimes: twenty-four creative programs for all ages
American Management Association, 2009
 eBooks
Olcatt, William Tyler
Sur lore of all ages: a collection of myths and legends conserning the suns and its worship
Book Tree, 1999
 Buku Teks SO