R. Webb, “Lama Angarika Govinda (17.5.1898 - 14.1.1985) and the Arya Maitreya Mandala”, BSRV, vol. 2, no. 1-2, pp. 79–86, Jun. 1985, doi: 10.1558/bsrv.v2i1-2.16171.