diff --git a/free-programming-books-es.md b/free-programming-books-es.md
index 897fa45e328a9d4d0419d144b3cfbb6c28e3c4f7..0b87c5be1e8350a4533bb35d6d1e517a93570347 100644
--- a/free-programming-books-es.md
+++ b/free-programming-books-es.md
@@ -92,6 +92,7 @@
 * [Diseño Ágil con TDD](http://www.carlosble.com/libro-tdd/?lang=es)
 * [Ingeniería de Software: Una Guía para Crear Sistemas de Información](http://www.wolnm.org/apa/articulos/Ingenieria_Software.pdf) (PDF)
 * [Metodologías Ágiles para el Desarrollo de Software](http://www.desarrolloweb.com/manuales/metodologias-agil-desarrollo-software.html)
+* [Scrum & Extreme Programming (para programadores)](hhttps://web.archive.org/web/20140209204645/http://www.cursosdeprogramacionadistancia.com/static/pdf/material-sin-personalizar-agile.pdf) (PDF)
 * [Scrum y XP desde las trincheras](http://www.proyectalis.com/wp-content/uploads/2008/02/scrum-y-xp-desde-las-trincheras.pdf) (PDF)
 
 
@@ -171,6 +172,7 @@
 
 ### Git
 
+* [Git Immersion en Español](https://esparta.github.io/gitimmersion-spanish/)
 * [Gitmagic](http://www-cs-students.stanford.edu/~blynn/gitmagic/intl/es/)
 * [Pro Git](http://git-scm.com/book/es/)
 
@@ -253,7 +255,7 @@
 
 ### PHP
 
-* [Manual de estudio introductorio al lenguaje PHP procedural](https://docs.google.com/viewer?a=v&pid=sites&srcid=aW5ub3ZhdmlydHVhbC5vcmd8dGVjY2VpbHB2aXxneDoyMWVlODE1ZWM5OTY5Yjg2) (PDF)
+* [Manual de estudio introductorio al lenguaje PHP procedural](https://web.archive.org/web/20140209203630/http://www.cursosdeprogramacionadistancia.com/static/pdf/material-sin-personalizar-php.pdf) (PDF)
 * [PHP y Ajax](http://rua.ua.es/dspace/bitstream/10045/13176/9/04-ajaxphp.pdf) (PDF)
 * [PHP y Programación orientada a objetos](https://styde.net/php-y-programacion-orientada-a-objetos/)
 * [POO y MVC en PHP](http://www.bubok.es/libros/205199/POO-y-MVC-en-PHP)
@@ -283,7 +285,7 @@
 * [Notas sobre el lenguaje Python](http://www.cmat.edu.uy/cmat/cursos/licenciatura/cursos/computacion/documentos/pynotas.pdf/at_download/file) (PDF)
 * [Python instantáneo](http://www.arrakis.es/~rapto/AprendaPython.html)
 * [Python para ciencia e ingeniería](https://github.com/mgaitan/curso-python-cientifico)
-* [Python para principiantes](http://librosweb.es/libro/python/)
+* [Python para principiantes](https://web.archive.org/web/20150421012120/http://www.cursosdeprogramacionadistancia.com/static/pdf/material-sin-personalizar-python.pdf) (PDF) [(HTML)](http://librosweb.es/libro/python/)
 * [Python para todos](https://launchpadlibrarian.net/18980633/Python%20para%20todos.pdf) (PDF)
 
 
diff --git a/free-programming-books-zh.md b/free-programming-books-zh.md
index be5ef6ca23e5f5398882bd2b7d02baf90ae7fa52..f320d2b5b91f950e543e78355a74cd552d9a9392 100644
--- a/free-programming-books-zh.md
+++ b/free-programming-books-zh.md
@@ -578,6 +578,7 @@
 * [Django book 2.0](http://djangobook.py3k.cn/2.0/)
 * [Python 3 文档(简体中文) 3.2.2 documentation](http://docspy3zh.readthedocs.org/en/latest/)
 * [Python 中文学习大本营](http://www.pythondoc.com)
+* [深入 Python 3](https://github.com/jiechic/diveintopython3)
 * [笨办法学 Python](http://old.sebug.net/paper/books/LearnPythonTheHardWay/)
 * [简明 Python 教程](http://woodpecker.org.cn/abyteofpython_cn/chinese/) (《A Byte of Python》中文版)
 
diff --git a/free-programming-books.md b/free-programming-books.md
index c94f2883295d5ce7a05a54b14b05cac5fcde470a..27e4e8dd167cc17e3158984eaa3b4eef7fe22a76 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -1136,7 +1136,6 @@ Original Source: [List of freely available programming books](http://web.archive
 * [Introduction to Haskell](http://www.seas.upenn.edu/~cis194/spring13/) - Brent Yorgey
 * [Learn Haskell Fast and Hard](http://yannesposito.com/Scratch/en/blog/Haskell-the-Hard-Way/)
 * [Learn You a Haskell for Great Good](http://learnyouahaskell.com) - Miran Lipovaca
-* [Natural Language Processing for the Working Programmer](https://web.archive.org/web/20150907205902/http://nlpwp.org/book/)
 * [Parallel and Concurrent Programming in Haskell](http://chimera.labs.oreilly.com/books/1230000000929/index.html) -  Simon Marlow
 * [Real World Haskell](http://book.realworldhaskell.org)
 * [Speeding Through Haskell](http://www.sthaskell.com)