1. V S Varadarajan, Probability in Physics and a Theorem on Simultaneous Observability, Comm. Pure and Appl. Math, Vol.15, pp.189–217; Erratum; Comm. Pure and Appl. Math., Vol.18, 757, 1965.
2. V S Varadarajan, Measures on Topological Spaces (In Russian), Mat. Sb. (New Series) Vol.58, pp.35–100, 1961. AMS Translations, Series 2, Vol.48, pp.161–228, 1965.
3. V S Varadarajan, Geometry of Quantum Theory Vol I, University Series in Higher Mathematics; D. Van Nostrand Co. 1968. Vol II; University Series in Higher Mathematics; D. Van Nostrand Reinhold Co. 1970.
4. V S Varadarajan (with K R Parthasarathy and R Ranga Rao), Representations of Complex Semi-simple Lie Groups and Lie Algebras, Ann. of Math., Vol.85, pp.383–429, 1967.
5. V S Varadarajan (with P C Trombi), Spherical Transforms on Semi-simple Lie Groups, Ann. of Math., Vol.94, pp.246–303, 1971.