diff --git a/README.md b/README.md
index de86605..53dba88 100644
--- a/README.md
+++ b/README.md
@@ -51,6 +51,7 @@ Courses
 - [CS 106B - Programming Abstractions, Stanford University](https://see.stanford.edu/Course/CS106B)
 - [CS 107 - Programming Paradigms, Stanford University](https://see.stanford.edu/Course/CS107)
 - [Introduction to Programming with Arcade Games, Simpson College](http://ProgramArcadeGames.com)
+- [MOOC: Paradigms of computer programming, Peter Van Roy, Université catholique de Louvain, Belgium - EdX](https://www.youtube.com/playlist?list=PLw454N-VXALSIzIe_eL5U8L4S68v2X_ak)
 
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@@ -90,6 +91,7 @@ Courses
 - [Advanced Topics in Algorithms and Datastructures - SS 2005 - Universität Freiburg](https://electures.informatik.uni-freiburg.de/portal/web/guest/detail/-/modulnavigation/view/4/252/)
 - [Algorithmentheorie/Algorithms Theory - WS 2013 - Universität Freiburg](https://electures.informatik.uni-freiburg.de/portal/web/guest/detail/-/modulnavigation/view/5402/16009/) ([WS 2011](https://electures.informatik.uni-freiburg.de/portal/web/guest/detail/-/modulnavigation/view/4003/12514/))
 - [Theory I - SS 2010 - Universität Freiburg](https://electures.informatik.uni-freiburg.de/portal/web/guest/detail/-/modulnavigation/view/2103/8701/)
+- [6.889: Algorithms for Planar Graphs and Beyond (Fall 2011) MIT](http://courses.csail.mit.edu/6.889/fall11/lectures/)
 
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@@ -283,9 +285,9 @@ Courses
 -------------------------
 
 ### Math for Computer Scientist
-- [6.042J - Mathematics for Computer Science, Fall 2010, MIT OCW](https://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-042j-mathematics-for-computer-science-fall-2010/video-lectures/)
-- [6.042J - Mathematics for Computer Science, Spring 15, MIT OCW](https://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-042j-mathematics-for-computer-science-spring-2015/index.htm)
+- [6.042J - Mathematics for Computer Science, Fall 2010, MIT OCW](https://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-042j-mathematics-for-computer-science-fall-2010/video-lectures/) ([Spring 15](https://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-042j-mathematics-for-computer-science-spring-2015/index.htm))
 - [Computer Science 70, 001 - Spring 2015](https://www.youtube.com/playlist?list=-XXv-cvA_iD8wQm8U0gG_Z1uHjImKXFy)
+- [CSE 547 Discrete Mathematics, Prof Skiena, University of Stony Brook](http://www3.cs.stonybrook.edu/~algorith/math-video/)
 - [6.041 Probabilistic Systems Analysis and Applied Probability - MIT OCW](https://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-041sc-probabilistic-systems-analysis-and-applied-probability-fall-2013/)
 - [10-600 Math Background for ML - CMU](https://www.youtube.com/playlist?list=PL7y-1rk2cCsA339crwXMWUaBRuLBvPBCg)
 - [Linear Algebra Review - CMU](http://www.cs.cmu.edu/~zkolter/course/linalg/outline.html)