Columbia subject headings:
Libraries--New Mexico.
Libraries--Texas--El Paso.
Periodicals--Bibliography--Union lists.
Harvard subject headings:
Libraries--New Mexico.
Libraries--Texas--El Paso.
Periodicals--Bibliography--Union lists
Periodicals.
Princeton subject headings:
Libraries--New Mexico.
Libraries--Texas--El Paso.
Periodicals--Bibliography--Union lists.
Union catalogs.