CUSACK, Carole. Petsche, Johanna J. M. 2015. Gurdjieff and Music: The Gurdjieff/de Hartmann Piano Music and its Esoteric Significance. Leiden and Boston, MA: Brill. xvi + 279pp. Ebook. US$130. E-ISBN: 9789004284449. Hbk. US$142.00. ISBN-13: 96789004284425. Fieldwork in Religion, [S. l.], v. 11, n. 1, p. 121–122, 2016. DOI: 10.1558/firn.32188. Disponível em: https://journal.equinoxpub.com/FIR/article/view/13004.. Acesso em: 16 jul. 2024.