diff --git a/README.md b/README.md
index 49fa40d..6202739 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,7 @@ Focus would be to act as general undergraduate/graduate CS University curriculum
Table of Contents
-----------------
+
- [Introduction to CS](#introduction-to-cs)
- [Algorithms](#algorithms)
- [Systems](#systems)
@@ -21,26 +22,32 @@ Table of Contents
- [Security](#security)
- [Misc](#misc)
+Courses
+-------
+### Introduction to CS
+- [6.00SC - Introduction to Computer Science and Programming (Spring 2011) - MIT OCW](https://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-00sc-introduction-to-computer-science-and-programming-spring-2011/)
+- [6.00 - Introduction to Computer Science and Programming (Fall 2008) - MIT OCW](https://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-00-introduction-to-computer-science-and-programming-fall-2008/video-lectures/)
+- [6.01SC - Introduction to Electrical Engineering and Computer Science I - MIT OCW](https://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-01sc-introduction-to-electrical-engineering-and-computer-science-i-spring-2011/)
+- [6.001 - Structure and Interpretation of Computer Programs, MIT](http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-001-structure-and-interpretation-of-computer-programs-spring-2005/video-lectures) ([Textbook](http://mitpress.mit.edu/sicp/full-text/book/book.html))
+- [CS 50 - Introduction to Computer Science, Harvard University](https://cs50.harvard.edu/lectures)
+- [CS 61A - Structure and Interpretation of Computer Programs [Python], UC Berkeley](http://cs61a.org/)
+ - [Lecture Resources by Type](http://cs61a.org/by_type.html)
+ - [Lecture Resources by Topic](http://cs61a.org/by_topic.html)
+- [CS 101 - Computer Science 101, Stanford University](http://online.stanford.edu/course/computer-science-101-self-paced) (Register free to access Videos)
+- [CS 106A - Programming Methodology, Stanford University](http://see.stanford.edu/see/lecturelist.aspx?coll=824a47e1-135f-4508-a5aa-866adcae1111)
+- [CS 106B - Programming Abstractions, Stanford University](http://see.stanford.edu/see/lecturelist.aspx?coll=11f4f422-5670-4b4c-889c-008262e09e4e)
+- [CS 107 - Programming Paradigms, Stanford University](http://see.stanford.edu/see/lecturelist.aspx?coll=2d712634-2bf1-4b55-9a3a-ca9d470755ee)
-### Legend
-
-- - Lecture Videos
-- - Lecture Notes
-- - Assignments / Labs
-- - Readings
-
-
-Courses
--------
+------
### Systems
- [6.033 Computer System Engineering - MIT](https://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-033-computer-system-engineering-spring-2009/video-lectures/)
- [CS 162 - Operating Systems and Systems Programming, UC Berkeley](http://cs162.eecs.berkeley.edu/) ([Lectures - YouTube](https://www.youtube.com/playlist?list=PL-XXv-cvA_iBDyz-ba4yDskqMDY6A1w_c))
- [CS 4414 - Operating Systems, University of Virginia](http://rust-class.org/pages/classes.html)
-- [CSE 421/521 - Introduction to Operating Systems, SUNY University at Buffalo, NY - Spring 2016 (ops-class.org)](https://www.ops-class.org/courses/buffalo/CSE421_Spring2016/) ([Lectures - YouTube](https://www.youtube.com/playlist?list=PLE6LEE8y2Jp-kbEcVR2W3vfx0Pdca0BD3))
+- [CSE 421/521 - Introduction to Operating Systems, SUNY University at Buffalo, NY - Spring 2016](https://www.ops-class.org/courses/buffalo/CSE421_Spring2016/) ([Lectures - YouTube](https://www.youtube.com/playlist?list=PLE6LEE8y2Jp-kbEcVR2W3vfx0Pdca0BD3))
- [VU:Distributed Systems: Principles and Paradigms by Maarten van Steen (Fall 2012), Vrije Universiteit, Amsterdam](http://www.distributed-systems.net/courses/ds/ds-screencasts/)
- [CS 5530 - Database Systems, Spring 2016, University of Utah](https://www.youtube.com/playlist?list=PLbuogVdPnkCrercQNP9tTsjjPdgRVYvC7)
- [15-721 - Database Systems, CMU](http://15721.courses.cs.cmu.edu/spring2016/) ([Lectures - YouTube](https://www.youtube.com/playlist?list=PLSE8ODhjZXjbisIGOepfnlbfxeH7TW-8O))