In this section some of the background history and ancient texts are considered. 1 History of yoga 2 Hinduism and yoga 3 Veda 4 Avadhuta Gita 5 Upanishads 6 Bhagavad Gita 7 Tantras 8 Tamil Siddhas 9 Dattatreya 10 Patanjali 11 Ramakrishna and Vivekananda 12 Sivananda