The Hague: Mouton, 1965. — 271 p. — (Janua linguarum. Series maior; 11).
Edgar Polome, The Laryngeal Theory So Far: A Critical Bibliographical Survey.
Jaan Puhvel, Evidence In Anatolian.
Henry M. Hoenigswald, Indo-Iranian Evidence.
Werner Winter, Armenian Evidence.
Calvert Watkins, Evidence In Balto-Slavic.
Eric P. Hamp, Evidence In Albanian.
Warren Cowgill, Evidence In Greek.
Calvert Watkins, Evidence In Italic.
Werner Winter, Tocharian Evidence.
Winfred P. Lehmann, Germanic Evidence.
Eric P. Hamp, Evidence In Keltic.