
Source: Facets of Systems Science, (2001), p. 3.
1578, Introduction to Ptolemy's Geography.
Source: Facets of Systems Science, (2001), p. 3.
Source: Perspective on the nature of geography (1958), p. 172
R. Hartshorne (1935) "Recent Developments in Political Geography" The American Political Science Review Vol. 29 (5), p. 585
Letter X: Reply to the Edinburgh Reviewers, Miscellaneous works of the late Thomas Young https://archive.org/details/miscellaneouswo01youngoog (1855), p. 215
Source: 2007: Movie Icons, ISBN 9783822822081 , page 174 , Verlag Taschen GmbH
Enjoy my Interview with Ridley Pearson https://ethanjonesbooks.wordpress.com/2018/01/25/enjoy-my-interview-with-ridley-pearson/ (January 25, 2018)
n.p.
Tim Marlow joins Anselm Kiefer to discuss his work' - 2005
Letter to Marin Mersenne (July 27, 1638) as quoted by Florian Cajori, A History of Mathematics (1893) letter dated in The Philosophical Writings of Descartes Vol. 3, The Correspondence (1991) ed. John Cottingham, Robert Stoothoff, Dugald Murdoch