Columbia subject headings:
Artists--Korea--Biography.
Biographies.
Calligraphers--Korea--Biography.
Sŏ, Pyŏng-o, 1862-1936.
Harvard subject headings:
Biographies
Calligraphers--Korea--Biography.
Painters--Korea--Biography.
Sŏ, Pyŏng-o, 1862-1936
Princeton subject headings:
Biographies.
Calligraphers--Korea--Biography.
Painters--Korea--Biography.
Sŏ, Pyŏng-o, 1862-1936.