1. Hooke (33), Works, p. 412.
2. Aristotle , Meteorologica, Book 1, chapter 14.
3. Feingold (11), The Mathematicians' Apprenticeship, pp. 13–14.
4. Hooke (46), Diary, pp. 337, 340, 345, 346, 362, 381.
5. Robert Plot—A Country Historian;Paffard;History Today,1970