Columbia subject headings:
Book industries and trade--Periodicals--Imprints.
Book industries and trade--Spain--Periodicals.
Spain--Imprints--Periodicals.
Harvard subject headings:
Book industries and trade--Periodicals
Book industries and trade--Spain--Periodicals.
Spain--Imprints--Periodicals.
Princeton subject headings:
Book industries and trade--Periodicals--Imprints.
Book industries and trade--Spain--Periodicals.
Periodicals.
Spain--Imprints--Periodicals.