Willem Grootaers
(1950-1959)
XLinguistic geography of the 宣化 Hsuan-Hua region
1957
Bulletin of the Institute of History and Philology Academia Sinica 29
(1950-1959)
XLinguistic geography of the 宣化 Hsuan-Hua region
1957
Bulletin of the Institute of History and Philology Academia Sinica 29