Links to useful Lecture notes (Graduate) :

KC Border's (Caltech) notes on selected topics in mathematical economics

Daron Acemoğlu's (MIT) Lecture notes on Political Economics, Growth Theory, Game Theory and Labor Economics

Christopher Carroll's (JHU) Lecture Notes on Graduate Macroeconomics

Lutz Hendricks's (UNC) Lecture Notes on Advanced Macroeconomic Theory

Bruce Hansen's (WISC) ECONOMETRICS (draft graduate textbook)

Chris Sims' (Princeton) Lecture Notes on Time Series Econometrics and Macroeconomics

Lars Svensson's (Princeton/Stockholm) Lecture Notes on Monetary Policy and Macroeconomics

Per Krussell's (Stockholm) Lecture Notes on Real Macroeconomic Theory

New School's History of Economic Thought Portal