diff --git a/free-programming-books.md b/free-programming-books.md
index 665b2f640fd2e899d413897871c53d5142b2784a..4846e227df33fc36ff998a658d8e3014f5e8f248 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -230,7 +230,7 @@ Original Source: [List of freely available programming books](http://web.archive
 * [Blender 3D: Noob to Pro](https://en.wikibooks.org/wiki/Blender_3D%3A_Noob_to_Pro)
 * [DirectX manual](http://user.xmission.com/~legalize/book/download/index.html) (draft)
 * [GPU Gems](http://http.developer.nvidia.com/GPUGems/gpugems_part01.html)
-* [GPU Gems 2](http://http.developer.nvidia.com/GPUGems2/gpugems2_part01.html) - [ch 8,14,18,29,30 as pdf](ftp://download.nvidia.com/developer/GPU_Gems_2/)
+* [GPU Gems 2](http://http.developer.nvidia.com/GPUGems2/gpugems2_part01.html)
 * [GPU Gems 3](http://http.developer.nvidia.com/GPUGems3/gpugems3_part01.html)
 * [Graphics Programming Black Book](http://www.gamedev.net/page/resources/_/technical/graphics-programming-and-theory/graphics-programming-black-book-r1698)
 * [Grokking the GIMP](http://gimp-savvy.com/BOOK/index.html)
@@ -955,6 +955,7 @@ Original Source: [List of freely available programming books](http://web.archive
 ### Delphi / Pascal
 
 * [Essential Pascal Version 1 and 2](http://www.marcocantu.com/epascal/)
+* [Free Pascal: Reference guide](http://ftp.icm.edu.pl/packages/fpc/docs-pdf/ref.pdf)
 
 
 ### DTrace