Werness, Hope B. (2004). The Continuum encyclopedia of animal symbolism in art. Illustrated edition. Continuum International Publishing Group. ISBN0-8264-1525-3, ISBN978-0-8264-1525-7. Source: [1]Archived 28 December 2019 at the Wayback Machine (accessed: Thursday 11 February 2010), p.138
Antonio Rigopoulos (2005). The Mahanubhavs. Firenze University Press. pp. 9–10. ISBN978-88-8453-264-0. Archived from the original on 27 December 2019. Retrieved 10 October 2016.
Werness, Hope B. (2004). The Continuum encyclopedia of animal symbolism in art. Illustrated edition. Continuum International Publishing Group. ISBN0-8264-1525-3, ISBN978-0-8264-1525-7. Source: [1]Archived 28 December 2019 at the Wayback Machine (accessed: Thursday 11 February 2010), p.138
Antonio Rigopoulos (2005). The Mahanubhavs. Firenze University Press. pp. 9–10. ISBN978-88-8453-264-0. Archived from the original on 27 December 2019. Retrieved 10 October 2016.