Columbia subject headings:
Indo-European languages--Etymology--Dictionaries.
Indo-European languages--Roots.
Pokorny, Julius, 1887-1970. Indogermanisches etymologisches Wörterbuch.
Harvard subject headings:
Indo-European languages--Etymology--Dictionaries.
Indo-European languages--Roots.
Pokorny, Julius, 1887- . Indogermanisches etymologisches Wörterbuch.
Pokorny, Julius, 1887-1970. Indogermanisches etymologisches Wörterbuch.
Princeton subject headings:
Indo-European languages--Morphemics.