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 ## Intro
 
-This list was originally a clone of [StackOverflow - List of Freely Available Programming Books](http://web.archive.org/web/20130824154208/http://stackoverflow.com/a/392926) with contributions from Karan Bhangui and George Stocker.
+This list was originally a clone of [StackOverflow - List of Freely Available Programming Books](https://web.archive.org/web/20140606191453/http://stackoverflow.com/questions/194812/list-of-freely-available-programming-books/392926) with contributions from Karan Bhangui and George Stocker.
 
 The list was moved to GitHub by Victor Felder for collaborative updating and maintenance. It has grown to become one of [GitHub's most popular repositories](https://octoverse.github.com/), with 160,000+ stars, 6000+ commits, 1600+ contributors, and 39,000+ forks.