diff --git a/README.md b/README.md
index 3fb2c317d8a8348e2e7044d0cb662093bd1b4d99..d9d2134d688a5a8af6e20a36876cd6b239c1d95d 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ The French list was based on <http://progdupeu.pl/forums/sujet/43/une-banque-de-
 
 #### [Portuguese (Brazil) : Free programming books](/free-programming-books-pt_BR.md) -- free-programming-books-pt_BR.md
 
-#### [Persian : Free programming books](/free-programming-books-fa.md) -- free-programming-books-fa.md
+#### [Persian/Farsi : Free programming books](/free-programming-books-fa.md) -- free-programming-books-fa.md
 
 #### [Spanish : Free programming books](/free-programming-books-es.md) -- free-programming-books-es.md
 
@@ -36,7 +36,7 @@ The French list was based on <http://progdupeu.pl/forums/sujet/43/une-banque-de-
 ### [Free JavaScript frameworks resources and tutorials](http://resrc.io/list/18/javascript-frameworks/) -- javascript-frameworks-resources.md
 
 ###How To Contribute
-- Fork
+- [Fork](https://help.github.com/articles/fork-a-repo)
 - Edit
-- Send a PR
+- [Send a PR](https://help.github.com/articles/using-pull-requests  )
 - Who might have guessed? ;)
diff --git a/free-programming-books-es.md b/free-programming-books-es.md
index 4db66102fa24f647f0ccc7b667e38b131b40bb5e..f1e2dfb2b10a9426086f68afe4542d4e1aebfe68 100644
--- a/free-programming-books-es.md
+++ b/free-programming-books-es.md
@@ -19,6 +19,7 @@
 * [Java](#java)
 * [Python](#python)
 * [Ruby](#ruby)
+* [R](#R)
 
 ###Metalistas
 
@@ -117,3 +118,13 @@
 
 * [Guía para aprender a programar con Ruby. Adaptación al español del libro "Learn to Program" de Chris Pine](https://github.com/rubyperu/aprende.a.programar)
 * [Ruby en 20 minutos](https://www.ruby-lang.org/es/documentation/quickstart/)
+
+###R
+* [R para Principiantes](http://cran.r-project.org/doc/contrib/rdebuts_es.pdf)
+* [An Introduction to R](http://cran.r-project.org/doc/contrib/R-intro-1.1.0-espanol.1.pdf)
+* [Gráficos Estadísticos con R](http://cran.r-project.org/doc/contrib/grafi3.pdf)
+* [Cartas sobre Estadística de la Revista Argentina de Bioingeniería](http://cran.r-project.org/doc/contrib/Risk-Cartas-sobre-Estadistica.pdf)
+* [Introducción al uso y programación del sistema estadístico R](http://cran.r-project.org/doc/contrib/curso-R.Diaz-Uriarte.pdf)
+* [Generacion automatica de reportes con R y LaTeX](http://cran.r-project.org/doc/contrib/Rivera-Tutorial_Sweave.pdf)
+* [Metodos Estadisticos con R y R Commander](http://cran.r-project.org/doc/contrib/Saez-Castillo-RRCmdrv21.pdf)
+* [Optimización Matemática con R: Volumen I](http://cran.r-project.org/doc/contrib/Optimizacion_Matematica_con_R_Volumen_I.pdf)
diff --git a/free-programming-books-fa.md b/free-programming-books-fa.md
index f11ef4508c98a1188cd6962ae30bf85ee46af845..4e44d4f954262d9eca561b38925bb71114ab08df 100644
--- a/free-programming-books-fa.md
+++ b/free-programming-books-fa.md
@@ -1,7 +1,15 @@
 ###Index
 * [گنو/لینوکس](#گنو/لینوکس)
 * [آرچ لینوکس](#آرچ لینوکس)
+* [زبان‌های برنامه نویسی](#زبان‌های برنامه نویسی)
+* [R](#R)
 
 ###گنو/لینوکس
 ####آرچ لینوکس
-* [آرچ بوک](http://linuxreview.ir/archbook/ArchBook-2012-1.pdf) (pdf)
\ No newline at end of file
+* [آرچ بوک](http://linuxreview.ir/archbook/ArchBook-2012-1.pdf) (pdf)
+
+###زبان‌های برنامه نویسی
+####R
+* [راهنمای زبان R](http://cran.r-project.org/doc/contrib/Mousavi-R-lang_in_Farsi.pdf)
+* [تحلیل شبکه‌های اجتماعی در R](http://cran.r-project.org/doc/contrib/Raeesi-SNA_in_R_in_Farsi.pdf)
+* [موضعات ویژه در R](http://cran.r-project.org/doc/contrib/Mousavi-R_topics_in_Farsi.pdf)