Birch, Jason https://eprints.soas.ac.uk/35259/1/Ha%E1%B9%ADhayoga%27s%20Floruit%20Jason%20Birch%20in%20%C5%9Aaivism%20and%20the%20Tantric%20Traditions%20Alexis%20Sanderson%20Brill%202020.pdf.
,
2020
Birch, Jason ; Singleton, Mark https://eprints.soas.ac.uk/32089/1/Jason%20Birch%20and%20Mark%20Singleton%20Hathabhyasapaddhati%20Journal%20of%20Yoga%20Studies%20Dec%202019.pdf.
,
2019
Birch, Jason https://eprints.soas.ac.uk/35261/1/Jason%20Birch%20Proliferation%20of%20%C4%80sana%20in%20Yoga%20in%20Transformation%20V%26R%20Unipress%20Sept%202018.pdf.
,
2018
Birch, Jason https://eprints.soas.ac.uk/26470/1/Jason%20Birch%20Proliferation%20of%20A%CC%84sana%20in%20Yoga%20in%20Transformation%20V%26R%20Unipress%20Sept%202018.pdf.
,
2018
Birch, Jason Eric ; Hargreaves, Jacqueline https://eprints.soas.ac.uk/39319/1/Jason%20Birch%20and%20Jacqueline%20Hargreaves%20Premodern%20Yog%C4%81sanas%20and%20Modern%20Postural%20Practice%20JoYS%202023.pdf.
,
2023