Tapaswiji Saint who lived for 185 years A Biography by T.S Anantha Murthy Paperback – 2015

"BABAJI'S KRIYA HATHA YOGA: 18 POSTURES OF RELAXATION", 8th edition By M. Govindan

"THIRUMANDIRAM (TIRUMANTIRAM): A CLASSIC OF YOGA AND TANTRA", 3rd edition 3 volume book set by Siddhar Thirumoolar

"Nine Tandbrams on the Tirumandiram (Thirumandiram or Tirumantiram) by Siddha Tirumular

"BABAJI'S KRIYA YOGA: Deepening Your Practice" By Jan "Durga" Ahlund and M. Govindan