The below is a list of articles in the Whitehead Encyclopedia that did not originally appear in the Handbook of Whiteheadian Process Thought (2008), or that have undergone substantive revision.
- 2023/11/21: Added entry “Aristotle (384–322 BCE)” by M. Gregory Oakes and William P. Kiblinger.
- 2023/09/14: Added entry “Conrad Hal Waddington (1905–1975)” by Leemon B. McHenry.
- 2023/07/06: Added entry “Conwy Lloyd Morgan (1852–1936)” by Arran Gare.