Columbia subject headings:
Language and languages.
Linguistics--Methodology.
Penzl, Herbert, 1910-1995--Bibliography.
Harvard subject headings:
Language and languages.
Linguistics--Methodology
Penzl, Herbert, 1910---Bibliography.
Penzl, Herbert, 1910-1995--Bibliography.
Princeton subject headings:
Language and languages.
Linguistics--Methodology.
Penzl, Herbert, 1910-1995--Bibliography.