Columbia subject headings:
Chinese language--Dialects--China--Tai'an (Shandong Sheng)
Mandarin dialects--China--Tai'an (Shandong Sheng)
Harvard subject headings:
Mandarin dialects--China--Tai'an (Shandong Sheng)--History.
Tai'an (Shandong Sheng, China)--History.
Princeton subject headings: