Columbia subject headings:
Papermaking--Indochina.
Harvard subject headings:
Papermaking--Indochina.
Princeton subject headings:
China--Description and travel.
Handmade paper--Vietnam--Lang Buoi.
Handmade paper--Vietnam--Yen Thai.
Papermaking--Vietnam--Lang Buoi.
Papermaking--Vietnam--Yen Thai.
Tonkin--Description and travel.