& Bonny Sands (2013) A Hadza Lexicon (ms). Bonny Sands (1998) 'The Linguistic Relationship between Hadza and Khoisan'. In Schladt, Matthias (ed.) Language, Identity, and Conceptualization among the Khoisan (Quellen zur Khoisan-Forschung Vol. 15), Köln: Rüdiger Köppe, 265–283. ———— (2013) 'Phonetics and phonology: Hadza', 'Tonology: Hadza', 'Morphology: Hadza', 'Syntax: Hadza'. In Rainer Vossen, ed., The Khoesan Languages. Oxford: Routledge. Bonny Sands, Ian Maddieson, Peter Ladefoged (1993) The Phonetic Structures of Hadza. UCLA Working Papers in Phonetics No. 84: Fieldwork Studies in Targeted Languages. A.N. Tucker, M.A. Bryan, and James Woodburn as co-author for Hadza (1977) 'The East African Click Languages: A Phonetic Comparison'. In J.G. Moehlig, Franz Rottland, Bernd Heine, eds, Zur Sprachgeschichte und Ethnohistorie in Afrika. Berlin: Dietrich Diener Verlag. External links Hadza at Glottopedia Hadza bibliography Hadza entries at Wiktionary Science article speculating on the status of clicks in the original human language (PDF file) A critical response to speculation about a primordial click language Hadza wordlist and sound files. Hadza basic lexicon at the Global Lexicostatistical Database Khoisan languages Language isolates of Africa Languages of Tanzania Click languages Verb–subject–object languages Vowel-harmony languages