Columbia subject headings:
Harvard subject headings:
Engraving--Identification--Handbooks, manuals, etc.
Prints--History--Handbooks, manuals, etc.
Prints--Identification--Handbooks, manuals, etc.
Prints--Technique--Handbooks, manuals, etc.
Wood-engraving--Identification--Handbooks, manuals, etc.
Princeton subject headings:
Prints--Technique.