Adventures of ideas | Open Library
https://openlibrary.org/works/OL1133701W/Adventures_of_ideasAesthetic Comparison of Einstein's and Whitehead's Theories of Gravity on JSTOR
https://www.jstor.org/stable/44797988Alfred North Whitehead (Stanford Encyclopedia of Philosophy)
https://plato.stanford.edu/entries/whitehead/Alfred North Whitehead - Wikipedia
https://en.wikipedia.org/wiki/Alfred_North_WhiteheadAlfred North Whitehead: Modes of Thought: Lecture 8: Nature Alive
https://brocku.ca/MeadProject/Whitehead/Whitehead_1938/1938_08.htmlAlfred North Whitehead: The Concept of Nature: Chapter 3: Time
https://brocku.ca/MeadProject/Whitehead/Whitehead_1920/White1_03.htmlBertrand Russell did not write Principia Mathematica | The Renaissance Mathematicus
https://thonyc.wordpress.com/2016/05/19/bertrand-russell-did-not-write-principia-mathematica/