https://archive.org/details/ReligionPhilosophyOfNalyiramWithSpecialReferenceToNammaAlvarSubbuReddiarN.VenkateswaraUniv
https://archive.org/details/PeriyaAlvarSublimeHymnOfMysticConsciousnessVankeepuramRajagopalan
https://archive.org/details/ChitraMimamsaOfAppayyaDikshitaWithTattvalokaOfRamswamiIyengarVol1RamswamiIyengarS.
https://archive.org/details/StudiesInVedantaRaghavacharS.S.UniversityOfMysore
https://archive.org/details/BriefAccountOnTheLifeWorksOfRamanujaSrinivasaIyengarA.N.
https://archive.org/details/4000DivyaPrabandhaKrishnaSwamyK.R.Vol7
https://archive.org/details/GeneralIntroductionToUpanishadsKrishnaSwamiK.R.
https://archive.org/details/GangesasTheoryOfIndeterminatePerceptionNirvikalpavadaSibajibanBhattacharyaPart1ICPR
https://archive.org/details/GangesasTheoryOfIndeterminatePerceptionNirvikalpavadaSibajibanBhattacharyaPart2ICPR
https://archive.org/details/PeriyaAlvarSublimeHymnOfMysticConsciousnessVankeepuramRajagopalan
https://archive.org/details/ChitraMimamsaOfAppayyaDikshitaWithTattvalokaOfRamswamiIyengarVol1RamswamiIyengarS.
https://archive.org/details/StudiesInVedantaRaghavacharS.S.UniversityOfMysore
https://archive.org/details/BriefAccountOnTheLifeWorksOfRamanujaSrinivasaIyengarA.N.
https://archive.org/details/4000DivyaPrabandhaKrishnaSwamyK.R.Vol7
https://archive.org/details/GeneralIntroductionToUpanishadsKrishnaSwamiK.R.
https://archive.org/details/GangesasTheoryOfIndeterminatePerceptionNirvikalpavadaSibajibanBhattacharyaPart1ICPR
https://archive.org/details/GangesasTheoryOfIndeterminatePerceptionNirvikalpavadaSibajibanBhattacharyaPart2ICPR