Columbia subject headings:
Publishers and publishing--Amazon River Region--Directories.
Harvard subject headings:
Acquisition of Brazilian publications--Directories.
Amazon River Region--Bibliography.
Amazon River Region--Directories.
Amazon River Region--Imprints--Catalogs.
Brazil--Bibliography.
Brazil--Directories.
Publishers and publishing--Amazon River Region--Directories.
Princeton subject headings:
Publishers and publishing--Amazon River Region--Directories.