"Our Group". Mountaincloud.org. Archived from the original on 26 June 2015. Retrieved 8 April 2016.
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Shukman, Henry (2019). One blade of grass : finding the old road of the heart : a Zen memoir (First paperback ed.). Berkeley, California: Counterpoint. ISBN978-1-64009-262-4. OCLC1085205562.
Shukman, Henry (2019). One blade of grass : finding the old road of the heart : a Zen memoir (First paperback ed.). Berkeley, California: counterpoint/Hodder. ISBN978-1-64009-262-4. OCLC1085205562.
Shukman, Henry (2019). One blade of grass : finding the old road of the heart : a Zen memoir (First paperback ed.). Berkeley, California: Counterpoint. ISBN978-1-64009-262-4. OCLC1085205562.