Language and its functions a historico-critical study of views concerning the functions of language from the pre-humanistic philology of Orleans to the rationalistic philology of Bopp - Verburg, Pieter Adrianus 1905-1989 (Benjamins, 1998)
Zugl.: Amsterdam, Univ., Diss., 1951 u.d.T.: Verburg, Pieter A.: Taal en functionaliteit. - Aus dem Niederländ. übers.