Laurent Sagart juga berkontribusi pada ilmu Indo-Eropa. Dia ikut menulis proposal pendapat bahwa kemampuan mencerna susu memainkan peran penting dalam ekspansi Indo-Eropa (Garnier et al. 2017), dan mengambil bagian dalam kontroversi dalam akademisi Prancis mengenai ilmu Indo-Eropa (Pellard et al. 2018 ).
Sagart, Laurent (1982). "A List of Sung Him Tong Hakka words of dubious etymology". Cahiers de Linguistique Asie Orientale. 11 (2): 69–86. doi:10.3406/clao.1982.1116. ISSN0153-3320.
Sagart, Laurent (1993). "Chinese and Austronesian: Evidence for a Genetic Relationship". Journal of Chinese Linguistics. 21 (1): 1–63.
Sagart, Laurent; Baxter, William H. (1997). "Word Formation in Old Chinese". Dalam Packard, Jerome L. (ed.). New Approaches to Chinese Word Formation. Perspectives in Analytical Linguistics. Vol. 105.
Sagart, Laurent (1999). The Roots of Old Chinese. Current Issues in Linguistic Theory. Vol. 184. Amsterdam: John Benjamins Publishing.
Pellard, Thomas; Jacques, Guillaume; Sagart, Laurent (2018). "L'indo-européen n'est pas un mythe". Bulletin de la Société de Linguistique de Paris. 113 (1): 79–102. doi:10.2143/BSL.113.1.3285465.[12]
^"Laurent Sagart". Centre de recherches linguistiques sur l'Asie orientale. Diarsipkan dari asli tanggal 2013-10-14. Diakses tanggal 2013-11-14.
^"Interview with Laurent Sagart". Archives Audiovisuelles de la Recherche (dalam bahasa French). Diarsipkan dari asli tanggal 2015-04-14. Diakses tanggal 2013-11-14. Pemeliharaan CS1: Bahasa yang tidak diketahui (link)
^Sagart, L. (1982) Phonologie du dialecte Hakka de Sung Him Tong. Paris: Langages croisés. 153p.
^Sagart, L. (1993) Les dialectes gan. Paris: Langages Croisés. 285 p.
^Sagart, L. (1999). The Roots of Old Chinese. Current Issues in Linguistic Theory, 184. Amsterdam: John Benjamins.
^Baxter, William H. and Laurent Sagart (2014). Old Chinese: a New Reconstruction. Oxford: Oxford University Press.
^Sagart, L. (2005) Sino-Tibetan-Austronesian: an updated and improved argument. In L. Sagart, R. Blench and A. Sanchez-Mazas (eds) The peopling of East Asia: Putting together Archaeology, Linguistics and Genetics 161–176. London: RoutledgeCurzon.