Robert N. Peck (1991). "Momo, A Ragged Little Girl, Shows the Way to Utopia: A Study of Listening, Imagining, and Taking Time in a Recent German Novel". Utopian Studies (3): 79–85. JSTOR20718928.
Goodhew, Linda; and Loy, David, Momo, Dogen, and the Commodification of Time, KronoScope, Volume 2, Number 1, 2002, pp. 97-107(11). See also "The Dharma of Time: Michael Ende's Momo," ch. 3 in Loy and Goodhew, The Dharma of Dragons and Daemons: Buddhist Themes in Modern Fantasy (Boston: Wisdom Publications, 2004).