
Conjectures and Refutations: The Growth of Scientific Knowledge (1963)
The Notebooks of Leonardo da Vinci (1883), XIX Philosophical Maxims. Morals. Polemics and Speculations.
Conjectures and Refutations: The Growth of Scientific Knowledge (1963)
pages 12–13 https://books.google.com/books?id=hwpKAAAAIAAJ&pg=PA12
Relativity for All, London, 1922
'Excerpts from the Teaching of Hans Hofmann', p. 61
Search for the Real and Other Essays (1948)
Source: The Shape of Time, 1982, p. 18; as cited in Lee (2001, p. 47)
OM Chanting and Meditation (2010) http://books.google.co.uk/books/about/OM_Chanting_and_Meditation.html?id=3KKjPoFmf4YC,
Source: Why Stock Markets Crash - Critical Events in Complex Systems (2003), Chapter 5, Modeling Financial Bubbles And Market Crashes, p. 134.
Source: Dynamics in Psychology, 1940, p. 55