Columbia subject headings:
Harvard subject headings:
Paper industry--Statistics--Periodicals.
Paper mills--Statistics--Periodicals.
Pulp mills--Statistics--Periodicals.
Wood-pulp industry--Statistics--Periodicals.
Princeton subject headings:
Paper industry--Statistics--Periodicals.
Paper mills--Statistics--Periodicals.
Pulp mills--Statistics--Periodicals.
Wood-pulp industry--Statistics--Periodicals.