"Wortels (taalkunde)" . . "Langues indo-européennes Formation des mots." . . "Langues indo-européennes Racines." . . . . "Indogermanisch." . . "Wortbildung." . . "Indo-europese talen." . . . . "The Root and its modification in primitive Indo-European, by Benjamin Schwartz, Columbia University dissertation" . . . . . . "The Root and its modification in primitive Indo-European" . . . . . . . "Root and its modification im primitive indo-european" . . . . . . . . . . "The root and its modification in primitive Indo-European" . "The root and its modification in primitive Indo-European"@en . . . . . . . . "The root and its modification in primitive Indo-european" . . . . . . . . "The root and its modification in primitive Indo-European [Baltimore] Linguistic Society of America [1947]"@en . . "Language; journal of the Linguistic Society of America. Supplement." . . "Indogermanisch." . .