Avadhut Gita by Dattatreya

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http://www.holybooks.com/wp-content/uploads/Song-of-the-Avadhut-by-Dattatreya.pdf

https://en.wikipedia.org/wiki/Avadhuta_Gita
https://en.wikisource.org/wiki/Translation:Avadhuta_Gita
http://www.astrojyoti.com/avadhootagita.htm
http://www.wearesentience.com/uploads/7/2/9/3/7293936/avadhuta-gita.pdf
http://oaks.nvg.org/avadhut-gita.html