Z'graggen, J. A. Classificatory and typological studies in languages of the Madang District / by J. A. Z'graggen. - [Canberra] : Australian National University [for] Linguistic Circle of Canberra, [1971] - viii, 179 p. - Pacific linguistics. Series C ; no. 19 . ISBN: 0858830698 Nat. Bib. No.: Aus*** Subjects--Topical Terms: Papuan languages--Classification. Subjects--Geographic Terms: Madang Province (Papua New Guinea)--Languages. LC Class. No.: PL6601 / .Z4 Dewey Class. No.: 499