From a830c82e5a8023d9a08e5a5c1c2cc4b469a7b9c7 Mon Sep 17 00:00:00 2001
From: Johan Wigert <45201794+jwigert@users.noreply.github.com>
Date: Thu, 28 Nov 2019 20:05:15 +0100
Subject: [PATCH] Issue #3266 - Broken German links (#3455)

---
 free-programming-books-de.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/free-programming-books-de.md b/free-programming-books-de.md
index 4c68b7ff..1be076fd 100644
--- a/free-programming-books-de.md
+++ b/free-programming-books-de.md
@@ -56,7 +56,7 @@
 ### C
 
 * [C von A bis Z](http://openbook.rheinwerk-verlag.de/c_von_a_bis_z/)
-* [Softwareentwicklung in C](http://www.asc.tuwien.ac.at/~eprog/download/schmaranz.pdf) (PDF)
+* [Softwareentwicklung in C](https://web.archive.org/web/20190214185910/http://www.asc.tuwien.ac.at/~eprog/download/schmaranz.pdf) - Klaus Schmaranz (PDF)
 
 
 ### C++
@@ -176,7 +176,7 @@
 
 ### Scilab
 
-* [Einführung in Scilab/Xcos 5.4](http://www.buech-gifhorn.de/scilab/Einfuehrung.pdf) (PDF)
+* [Einführung in Scilab/Xcos 5.4](https://web.archive.org/web/20161204131517/http://buech-gifhorn.de/scilab/Einfuehrung.pdf) - Helmut Büch (PDF)
 
 
 ### Scratch
-- 
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