[french_revolution] [greek_square] [inflation_history] Tom's edits for July (#525)

* upload french_rev from tom_edits

* remove redundent files

* update TOC

* Tom's July 6 edits of french revolution lecture

* Tom's edits of french revolution lecture July 7

* Tom's July 22 edits of french revolution lecture

* revert one change in the text

* rebuild with cite

* update fig labels

* Tom's July 23 edits of some lectures and bib file

* update solution and quote directives

* fix a small typo

* make the last graph clearer

* update style in line with style guide

* update based on feedback

---------

Co-authored-by: Humphrey Yang <[email protected]>
Co-authored-by: thomassargent30 <[email protected]>
Co-authored-by: Humphrey Yang <[email protected]>

Author: 3 people

lectures/_static/quant-econ.bib

@@ -3,6 +3,25 @@
 Note: Extended Information (like abstracts, doi, url's etc.) can be found in quant-econ-extendedinfo.bib file in _static/
 ###
 
+
+@book{russell2004history,
+  title={History of western philosophy},
+  author={Russell, Bertrand},
+  year={2004},
+  publisher={Routledge}
+}
+
+@article{north1989,
+  title={Constitutions and commitment: the evolution of institutions governing public choice in seventeenth-century England},
+  author={North, Douglass C and Weingast, Barry R},
+  journal={The journal of economic history},
+  volume={49},
+  number={4},
+  pages={803--832},
+  year={1989},
+  publisher={Cambridge University Press}
+}
+
 @incollection{keynes1940pay,
   title={How to Pay for the War},
   author={Keynes, John Maynard},