1. Adams, R. M. (1974). Theories of actuality. Noûs, 8(3), 211–231.
2. Barcellan, B., & Zanardo, A. (1999). Actual futures in Peircean branching-time logic. In J. Gerbrandy, M. Marx, M. de Rijke, Y. Venema (Eds.), JFAK: Essays dedicated to Johan van Benthem on the occasion of his 50th birthday. CD-ROM, Available on-line: http://www.illc.uva.nl/j50/ .
3. Belnap, N. (2002). Double time references: Speech-act reports as modalities in an indeterminist setting. In F. Wolter, H. Wansing, M. de Rijke, M. Zakharyaschev (Eds.), Advances in Modal Logic (Vol. 3, pp. 37–58). Singapore: World Scientific Publishing Co. Pte. Ltd.
4. Belnap, N. (2003). Branching space-time. Archived on. http://philsci-archive.pitt.edu . (Postprint of Belnap, N. 1992, “Branching space-time”, Synthese 92, 385–434).
5. Belnap, N., & Green, M. (1994). Indeterminism and the thin red line. Philosophical Perspectives, 8, 365–388.