Columbia subject headings:
Harvard subject headings:
Gu gong bo wu yuan (China)--Catalogs.
Handmade paper--China--Catalogs.
Ink-stones--China--Beijing--Catalogs.
Ink-stones--China--Catalogs.
Paper--China--Catalogs.
Writing--China--Materials and instruments--Catalogs.
Princeton subject headings:
Catalogs.
Gu gong bo wu yuan (China)--Catalogs.
Ink-stones--China--Catalogs.
Paper--China--Catalogs.
Writing--China--Materials and instruments--Catalogs.