Cleanup (#3528)

free-programming-books.md

@@ -1343,7 +1343,7 @@ Kerridge (PDF) (email address *requested*, not required)
 
 * [A Gentle Introduction to Haskell](https://www.haskell.org/tutorial/)
 * [Anatomy of Programming Languages](http://www.cs.utexas.edu/~wcook/anatomy/) - William R. Cook
-* [Beautiful Code, Compelling Evidence](http://www.renci.org/wp-content/pub/tutorials/BeautifulCode.pdf) (PDF)
+* [Beautiful Code, Compelling Evidence](https://web.archive.org/web/20160411023943/http://www.renci.org/wp-content/pub/tutorials/BeautifulCode.pdf) - J.R. Heard (PDF)
 * [Exploring Generic Haskell](http://www.andres-loeh.de/ExploringGH.pdf) - Andres Löh (PDF)
 * [Happy Learn Haskell Tutorial](http://www.happylearnhaskelltutorial.com)
 * [Haskell](https://en.wikibooks.org/wiki/Haskell) - Wikibooks
@@ -1374,19 +1374,18 @@ Kerridge (PDF) (email address *requested*, not required)
 * [A free guide to learn HTML and CSS](http://marksheet.io)
 * [Adaptive Web Design](http://adaptivewebdesign.info/1st-edition/) - Aaron Gustafson
 * [An advanced guide to HTML&CSS](http://learn.shayhowe.com/advanced-html-css/)
-* [Canvassing](http://learnjs.io/canvassing/read)
+* [Canvassing](https://web.archive.org/web/20160505010319/http://learnjs.io/canvassing/read/)
 * [Code Guide: Standards for developing flexible, durable, and sustainable HTML and CSS](http://mdo.github.io/code-guide/) - Mark Otto
 * [CSS Animation 101](https://github.com/cssanimation/css-animation-101)
 * [Dive Into HTML5](http://diveinto.html5doctor.com) - Mark Pilgrim ([PDF](http://mislav.net/2011/10/dive-into-html5/))
 * [GA Dash](https://dash.generalassemb.ly)
-* [Google's HTML/CSS Style Guide](https://google.github.io/styleguide/htmlcssguide.xml)
+* [Google's HTML/CSS Style Guide](https://google.github.io/styleguide/htmlcssguide.html)
 * [How to Code in HTML5 and CSS3](https://web.archive.org/web/20180816174417/http://howtocodeinhtml.com/HowToCodeInHTML5AndCSS3.pdf) - Damian Wielgosik (PDF)
 * [HTML Canvas Deep Dive](http://joshondesign.com/p/books/canvasdeepdive/toc.html) - Josh Marinacci
 * [HTML Dog Tutorials](http://www.htmldog.com)
-* [HTML5 Canvas](http://chimera.labs.oreilly.com/books/1234000001654/index.html) - Steve Fulton & Jeff Fulton
-* [HTML5 for Publishers](http://chimera.labs.oreilly.com/books/1234000000770/index.html) - Sanders Kleinfeld
+* [HTML5 Canvas](https://www.oreilly.com/library/view/html5-canvas/9781449308032/ch01.html) - Steve Fulton & Jeff Fulton
+* [HTML5 for Publishers](https://www.oreilly.com/library/view/html5-for-publishers/9781449320065/pr02.html) - Sanders Kleinfeld
 * [HTML5 For Web Designers](http://html5forwebdesigners.com) - Jeremy Keith
-* [HTML5 Graphing and Data Visualization Cookbook](https://www.packtpub.com/packt/free-ebook/html5-data-visualization-cookbook) - Ben Fhala, Packt. (email address *requested*, not required)
 * [HTML5 Notes for Professionals](http://books.goalkicker.com/HTML5Book/) - Compiled from StackOverflow documentation (3.x)
 * [HTML5 Shoot 'em Up in an Afternoon](https://leanpub.com/html5shootemupinanafternoon/read) - Bryan Bibat
 * [Learn CSS Layout](http://learnlayout.com)
@@ -1425,7 +1424,6 @@ Kerridge (PDF) (email address *requested*, not required)
 * [Cocoa Dev Central](http://cocoadevcentral.com)
 * [iOS 8 App Development Essentials](http://www.techotopia.com/index.php/IOS_8_App_Development_Essentials)
 * [iOS Succinctly, Syncfusion](https://www.syncfusion.com/resources/techportal/ebooks/ios) (PDF, Kindle) (email address *requested*, not required)
-* [Mastering iOS Game Development](https://www.packtpub.com/packt/free-ebook/mastering-ios-gamedev) - Miguel DeQuadros, Packt (email address *requested*, not required)
 * [NSHipster](http://nshipster.com/#archive) (Resource)
 * [Start Developing iOS Apps (Swift)](https://developer.apple.com/library/prerelease/ios/referencelibrary/GettingStarted/DevelopiOSAppsSwift/index.html) (HTML)
 * [Start Developing iOS Apps Today (Objective-C) - Last updated 22.10.2013](http://everythingcomputerscience.com/books/RoadMapiOS.pdf) (PDF)