A Study of the Early Medieval Chinese, Latin, and Tibetan Historical Sources on Pre-Imperial Tibet, Indiana University, PhD Dissertation, 1977, 304 p.
The Tibetan Empire in Central Asia: A History of the Struggle for Great Power among Tibetans, Turks, Arabs, and Chinese during the Early Middle Ages. Princeton: Princeton University Press, 1987, 292 p. (ISBN0-691-05494-0). First paperback edition, with a new afterword, 1993. (ISBN0-691-02469-3)
Medieval Tibeto-Burman Languages. PIATS 2000: Proceedings of the Ninth Seminar of the International Association for Tibetan Studies Brill Academic Publishers, 2002, 212 p.(ISBN9-004-12424-1)
Medieval Tibeto-Burman Languages II. Brill Academic Publishers, 2006, 200 p.(ISBN9-004-15014-5)
Koguryo, the Language of Japan's Continental Relatives: An Introduction to the Historical-Comparative Study of the Japanese-Koguryoic Languages, with a Preliminary Description of Archaic Northeastern Middle Chinese, Brill Academic Publishers, 2004, 274 p.(ISBN9-004-13949-4). Second edition, 2007. (ISBN9-004-16025-6)
Phoronyms: Classifiers, Class Nouns, and the Pseudopartitive Construction, New York, Peter Lang Publishing, 2007, 223 p. (ISBN1-433-10139-4)
Empires of the Silk Road: A History of Central Eurasia from the Bronze Age to the Present, Princeton, Princeton University Press, 2009, 504 p.(ISBN978-0-691-13589-2)
Warriors of the Cloisters. the Central Asian Origins of Science in the Medieval World, Princeton, Princeton University Press, 2012, 232 p. (ISBN978-0-691-15531-9)
(en) The Scythian Empire: Central Eurasia and the Birth of the Classical Age from Persia to China, Princeton, Princeton University Press, , 416p. (ISBN978-0-691-24053-4)
Articles et chapitres d'ouvrages
«The Introduction of Greek Medicine into Tibet in the Seventh and Eighth Centuries». Journal de la société américaine orientale, 1979, vol. 99 n° 2, p. 297-313
«Aspects of the Early History of the Central Asian Guard Corps in Islam», Archivum Eurasiae Medii Aevi, Vol. 4, 1984, 29-43.
«The Revolt of 755 in Tibet. Contributions on Tibetan Language, History, and Culture» in Ernst Steinkellner and Helmut Tauscher (Eds.) Wiener Studien zur Tibetologie und Buddhismuskunde; Heft 10. Wien, Arbeitskreis für Tibetische und Buddhistische Studien, Universität Wien, 1983, p.1–16. Reprinted in Alex Mckay (Ed.), The History of Tibetan, London, Routledge Curzon, 2003, p. 273-285.
«The Plan of the City of Peace: Central Asian Iranian Factors in Early ‘Abbâsid Design», Acta Orientalia Academiae Scientiarum Hungaricae, 1984, vol. 38: 128-147.
«Aspects of the Early History of the Central Asian Guard Corps in Islam», Archivum Eurasiae Medii Aevi, 1984, Vol. 4:29-43. (Reprinted in C. Edmund Bosworth (Ed.), The Turks in the Early Islamic World. Aldershot: Ashgate, 2007, p. 275-289.)
«The Tibetans in the Ordos and North China: Considerations on the Role of the Tibetan Empire in World History». In C.I. Beckwith, (Ed.), Silver on Lapis, Bloomington, Tibet Society, 1987, p. 3-11.
«The Impact of the Horse and Silk Trade on the Economies of T'ang China and the Uighur Empire: On the Importance of International Commerce in the Early Middle Ages», Journal of the Economic and Social History of the Orient, Vol. 34, 1991, p.183-198.
«The Morphological Argument for the Existence of Sino-Tibetan» in Pan-Asiatic Linguistics: Proceedings of the Fourth International Symposium on Languages and Linguistics, January 8-10, 1996. vol 3. Bangkok: Institute of Language and Culture for Rural Development Mahidol University at Salaya, p. 812-826.
«Noun Specification and Classification in Uzbek», Anthropological Linguistics vol. 40, n° 1, 1998, p. 124-140.
«Old Chinese» in Philipp Strazny, (Ed.) Encyclopedia of Linguistics, New York, Fitzroy Dearborn, 2004, p. 771-774.
«On the Chinese Names for Tibet, Tabghatch, and the Turks» Archivum Eurasiae Medii Aevi, 2005, vol. 14 p. 5-20.
«The Sonority Sequencing Principle and Old Tibetan Syllable Margins» In Beckwith (Ed.) Medieval Tibeto-Burman Languages II. Leiden, Brill, 2006, p. 45-57.
«Methodological Observations on Some Recent Studies of the Early Ethnolinguistic History of Korea and Vicinity», Altai Hakpo, 2006, n° 16, p. 199-234.
«The Ethnolinguistic History of the Early Korean Peninsula Region: Japanese-Koguryoic and Other Languages in the Koguryo, Paekche, and Silla Kingdoms» Journal of Inner and East Asian Studies, 2006, Vol. 2, n° 2, p. 34-64.
Avec Gisaburo N. Kiyose, «The Silla Word for "Walled City" and the Ancestor of Modern Korean», Arutaigo Kenkyu - Altaistic Studies, 2006, Vol. 1, p. 1-10.
«On the Proto-Indo-European Obstruent System» in Historische Sprachforschung 2007, vol. 120, p. 1-19.
«The Frankish Name of the King of the Turks», Archivum Eurasiae Medii Aevi" 2006, vol. 7,15, p. 5-11.
«An introduction to theoretical and methodological problems in the comparative-historical linguistics of Eastern-Eurasian languages» in Christopher Beckwith (Ed.), Medieval Tibeto-Burman Languages III (Proceedings of the 11th Seminar of the International Association for Tibetan Studies.) Halle, International Institute for Tibetan and Buddhist Studies, 2008, p. 9-48.
«The Pai-lang songs: The earliest texts in a Tibeto-Burman language and their Late Old Chinese transcriptions» in Christopher Beckwith (Ed.), Medieval Tibeto-Burman Languages III (Proceedings of the 11th Seminar of the International Association for Tibetan Studies.) Halle: International Institute for Tibetan and Buddhist Studies, 2008, p. 87-110.
«Old Chinese loans in Tibetan and the non-uniqueness of „Sino-Tibetan» in Christopher Beckwith (Ed.), Medieval Tibeto-Burman Languages III (Proceedings of the 11th Seminar of the International Association for Tibetan Studies.) Halle: International Institute for Tibetan and Buddhist Studies, 2008, p. 61-201.
Avec Gisaburo N. Kiyose, «The Origin of the Old Japanese Twelve Animal Cycle», Arutaigo kenkyû – Altaistic Studie, 2008, Vol. 2, p. 1-18.
«Could There Be a Korean–Japanese Linguistic Relationship Theory? Science, the Data and the Alternatives. A State-of-the-Field Article» International Journal of Asian Studies(en) 2010, Vol. 7, 2: 201-219.
«Old Chinese Loanwords in Korean» In Sang-Oak Lee (Ed.), Contemporary Korean Linguistics: International Perspectives, Seoul, Thaehaksa, 2010, p. 1-22.
Avec M.L. Walter, «On the Meaning of Old Tibetan rje-blon during the Tibetan Empire Period» in Journal Asiatique, vol. 298 n° 2, 2010, p. 535-548.