Columbia subject headings:
Learned institutions and societies--Bibliography--Union lists.
Libraries--Argentina--Buenos Aires.
Libraries--Argentina.
Periodicals--Bibliography--Union lists.
Science--Periodicals--Bibliography.
Technology--Periodicals--Bibliography.
Harvard subject headings:
Learned institutions and societies--Bibliography--Union lists.
Libraries--Argentina
Libraries--Argentina--Buenos Aires.
Periodicals--Bibliography--Union lists
Science--Periodicals--Bibliography.
Technology--Periodicals--Bibliography.
Princeton subject headings:
Learned institutions and societies--Bibliography--Union lists.
Libraries--Argentina--Buenos Aires.
Libraries--Argentina.
Periodicals--Bibliography--Union lists.
Science--Periodicals--Bibliography.
Technology--Periodicals--Bibliography.
Union catalogs.