diff --git a/free-programming-books-ja.md b/free-programming-books-ja.md
index 38bcfaa96..7666c7905 100644
--- a/free-programming-books-ja.md
+++ b/free-programming-books-ja.md
@@ -447,6 +447,7 @@
 * [R 言語定義](http://cran.r-project.org/doc/contrib/manuals-jp/R-lang.jp.v110.pdf) (PDF) - R Development Core Team, 間瀬茂(翻訳)
 * [R 基本統計関数マニュアル](http://cran.r-project.org/doc/contrib/manuals-jp/Mase-Rstatman.pdf) (PDF) - 間瀬茂
 * [R-Tips](http://cse.naro.affrc.go.jp/takezawa/r-tips/r2.html) - 舟尾暢男
+* [統計解析ソフトRのスクリプト集](http://psych.educa.nagoya-u.ac.jp/doc/Rscripts_ishii.pdf) (PDF) - 石井秀宗
 * [統計解析フリーソフトRの備忘録](http://cse.naro.affrc.go.jp/takezawa/r-tips.pdf) (PDF) - 竹澤邦夫
 * [Rチュートリアルセミナーテキスト](http://psycho.edu.yamaguchi-u.ac.jp/?page_id=626) (PDF, ePUB) - 小杉考司, 押江隆
 * [Rによる保健医療データ解析演習](http://minato.sip21c.org/msb/medstatbook.pdf) (PDF) - 中澤港
diff --git a/free-programming-books.md b/free-programming-books.md
index 01951ac33..5e01b7984 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -1547,7 +1547,7 @@ See also [TeX](#tex)
 
 
 ### R
-* [Advanced R Programming](http://adv-r.had.co.nz/)
+* [Advanced R Programming](http://adv-r.had.co.nz/) - Hadley Wickham
 * [Introduction to Probability and Statistics Using R](http://cran.r-project.org/web/packages/IPSUR/vignettes/IPSUR.pdf) (PDF) - G. Jay Kerns
 * [Learning Statistics with R](http://health.adelaide.edu.au/psychology/ccs/teaching/lsr/) - Daniel Navarro
 * [learnR](https://github.com/renkun-ken/learnR) - (Work in Progress) - Kun Ren
@@ -1555,6 +1555,7 @@ See also [TeX](#tex)
 * [R by example](http://www.mayin.org/ajayshah/KB/R/index.html)
 * [R for spatial analysis](http://www.columbia.edu/~cjd11/charles_dimaggio/DIRE/resources/spatialEpiBook.pdf) (PDF)
 * [R language for Programmers](http://www.johndcook.com/R_language_for_programmers.html) - John D. Cook
+* [R packages](http://r-pkgs.had.co.nz) - Hadley Wickham
 * [R practicals](http://www.columbia.edu/~cjd11/charles_dimaggio/DIRE/resources/R/practicalsBookNoAns.pdf) (PDF)
 * [R Programming](http://en.wikibooks.org/wiki/R_Programming)
 * [R Succinctly, Syncfusion](http://www.syncfusion.com/resources/techportal/ebooks/rsuccinctly) (PDF, Kindle) *(Just fill the fields with any values)*