Your search for "used" revealed the following:

Yog: Its Philosophy and Practice

Concept of Sabda Brahman in Saiva Tantra (Philosophy of Language)

Vatsyayana's Kama-Sutra- The Sage Discoovered Beyond His Words

Gandhi His Experiments with Truth (A Sequel of an English Rendering of Bapu Katha)

Logic, Language and Reality {Indian Philosophy and Contemporary Issues}

Prasthanathraya Volume-IV Chandogya Upanishad (The Only Edition with Shankaracharya's Commentary

Benares: A World Within a World (The Microcosm of Kashi Yesterday and Today)

Shri Sai Baba (The Saviour)

कृष्णयजुर्वेदीय तैत्तिरीय संहिता मन्त्रा: Krishna Yajur Veda Taittiriya Samhita Mantras - Kandas 1 to 7

Acharya Kripalani - Memoirs of P.D. Tandon

The Yoga of the 18 Siddhas (An Anthology)

Krtima Nimalai - Sri Muddusvami Diksitars Compositions (With Notation)

History & Origin of Indian Tribes

Influence (How to Exert It)

Geriatrics In Ayurveda

सामवेद संहिता- The Samaveda Samhita (Text, Translation, Commentary & Notes in English, Mantra Index, & name Index, Mantras Found & Not found in The Rgveda Etc.) (An Old and Rare Book)

वाक्यवादः (हरियशोमिश्र - विरचितया वाक्यदीपिकया समलङ्कृतः)- Vakyavadah- With Hariyasomisra's Commentary Vakyadipika (Sanskrit Text, Transliteration, English-Hindi Translation & Explanatory Notes in English - Hindi - Sanskrit)

How to Be Valuable, Virtuous & Wealthy

Space Time Consciousness- The Fifth Dimension

The Bhagavad Gita with Commentary of Sri Aurobindo