Reddit mentions of History of Economic Thought

One of my favorites. Mark Blaug has a couple of good ones: Economic Theory in Retrospect (1962) and The Methodology of Economics (1980). Landreth and Colander have a more recent history of thought text that I quite like as well.

As /u/standard_error mentioned the most significant work developed in the past century was published in journals. In 2011 the American Economic Review compiled a list of it's 20 most important articles and this can serve as a useful starting guide. Note that with few exceptions, most notably Hayek's "The Use of Knowledge in Society", these articles assume the reader has a solid background in mathematics, statistics, econometrics and economic theory.

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For general references that will help you get both a broad perspective on the history of economic thought and a deeper insight into the authors of the books you listed:

1. The Evolution of Economic Thought by Stanley Brue and Randy Grant. This is the closest you'll find to a standard textbook in economic thought. Neatly structured and comprehensive, though very long and expensive if don't have access to it at a library. It spans from mercantilism (16th century) to Friedman and the Chicago School.
   
2. History of Economic Thought by Harry Landreth and David Colander. A very complete textbook. I find both the presentation and the selection of topics superior to that of Brue and Grant. Has also an important introductory chapter on discussing mainstream x heterodox/orthodox economics - a very peculiar and pervasive terminology that spread throughout the debate between competing schools of thought.
   
3. History of Economic Thought by William Barber. A very accessible and condensed introduction to economic thought. He covers almost all the authors you listed.
   
4. Ordinary Business of Life: A History of Economics from the Ancient World to the Twenty-First Century by Roger Backhouse. Highly recommended. More concise than Brue and Grant.
   
5. A History of Macroeconomics from Keynes to Lucas and Beyond by Michel De Vroey is focused on the history of modern macroeconomics. It begins with Keynes and Hicks all the way through important developments in the 1970s and 1980s (rational expectations and Real Business Cycles) and the 1990s New Neoclassical Synthesis (New Keynesianism and Dynamic Stochastic General Equilibrium Models). This book supplements the 1960s-2000s gap that appears in your list.
   
6. New Palgrave Dictionary of Economics If you have access I highly recommend using the New Palgrave. Most of the authors and books you mentioned have concise insightful entries that also list further readings. Schools of thought, specific terms and branches
   
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   If you're interested in a particular topic or want to know more about a specific author, book, or school of thought you can also see specialized journals: Journal of the History of Economic Thought, History of Political Economy, European Society for the History of Economic Thought. The History of Economic Thought website can also come in handy.

I know I am posting an extensive list but I hope it helps.

http://www.amazon.com/History-Economic-Thought-Harry-Landreth/dp/0618133941

Here are some course descriptions, you can get really good readings from there

http://www.econ.gatech.edu/files/wysiwyg/Schaffer_4620_HistoryofEconThought.pdf

http://emlab.berkeley.edu/users/webfac/rasmus/e105_su09/e105syllabus.pdf

http://economistsview.typepad.com/economics493/


And if you are not scared of more profound analysis these are the readings you want


http://journals.cambridge.org/action/displayJournal?jid=HET