"Joseph Gurule, formerly a worker at Regis Jesuit Community, said that he knew MV in La Garita, Colo; appears as illustration p. 197 of Penitente Self-Government [Thomas J. Steele, S.J, and Rowena Rivera, Santa Fe: Ancient City Press, 1985]"|"Used as prototype for matraca in Denver Art Museum art-cart, 1986."|"See 'Some tinieblas Symbolism' appendix in Steele/Rivera" cited above.