A review of the achievements of Fr. Busa over the course of his 60 years of work in the area of computational linguistics: internal hypertexts, the systematization of allographs, lemmatization, homographs and typologies; the lexical system; the laws of economy for graphemes, for semantic typology, for heterogeneity among terms, and of the two lexical hemispheres. Finally, the project of disciplined languages is mentioned, a response to the linguistic challenge resulting from informational globalization.