Columbia subject headings:
Harvard subject headings:
Avison, Oliver R., 1860-1956--Correspondence.
Avison, Oliver R., 1860-1956--Friends and associates--Correspondence.
Chejungwŏn (Korea)--Records and correspondence.
Health facilities--Korea--Records and correspondence.
Missionaries, Medical--Korea--Correspondence.
Physicians--Canada--Correspondence.
Princeton subject headings:
Avison, Oliver R., 1860-1956--Correspondence.
Avison, Oliver R., 1860-1956--Friends and associates--Correspondence.
Chejungwŏn (Korea)--Records and correspondence.
Health facilities--Korea--Records and correspondence.
Missionaries, Medical--Korea--Correspondence.
Physicians--Canada--Correspondence.