Merge fa6e2d162d into 9bd33204fa

* Added Evidence Based Software Engineering Book

* Update books/free-programming-books-subjects.md

Co-authored-by: Eric Hellman <eric@hellman.net>

---------

Co-authored-by: Eric Hellman <eric@hellman.net>

books/free-programming-books-de.md

@@ -66,6 +66,7 @@
 
 ### C
 
+* [c-A Book on C : AL Kelley](https://karadev.net/uroci/filespdf/files/a%20book%20on%20c.pdf) (PDF)
 * [C-HowTo: Programmieren lernen mit der Programmiersprache C](https://www.c-howto.de) - Elias Fischer (HTML)
 * [C-Programmierung](https://de.wikibooks.org/wiki/C-Programmierung) - Wikibooks (HTML)
 * [C von A bis Z](http://openbook.rheinwerk-verlag.de/c_von_a_bis_z) - Jürgen Wolf (Online)
@@ -75,12 +76,14 @@
 ### <a id="csharp"></a>C\#
 
 * [Einführung in das Programmieren mit C#](https://www.uni-trier.de/universitaet/wichtige-anlaufstellen/zimk/downloads-broschueren/programmierung/c) - Bernhard Baltes-Götz (PDF)
+* [FUNDAMENTALS OF COMPUTER PROGRAMMING WITH C#](https://introprogramming.info/wp-content/uploads/2013/07/Books/CSharpEn/Fundamentals-of-Computer-Programming-with-CSharp-Nakov-eBook-v2013.pdf) (PDF)
 * [Programmieren in C#: Einführung](http://www.highscore.de/csharp/einfuehrung)
 * [Visual C# 2012](http://openbook.rheinwerk-verlag.de/visual_csharp_2012) - Andreas Kühnel (Online)
 
 
 ### <a id="cpp"></a>C++
 
+* [A Complete Guide to Programming in C++](https://www.idpoisson.fr/volkov/C++.pdf) (PDF)
 * [Die Boost C++ Bibliotheken](http://dieboostcppbibliotheken.de) - Boris Schäling (Online)
 * [Lean Testing für C++-Programmierer (2018)](https://www.assets.dpunkt.de/openbooks/Openbook_Lean_Testing.pdf) - Andreas Spillner, Ulrich Breymann (PDF)
 * [Programmieren in C++: Aufbau](http://www.highscore.de/cpp/aufbau)

books/free-programming-books-subjects.md

@@ -897,6 +897,7 @@ Kerridge (PDF) (email address *requested*, not required)
 * [Domain Driven Design Quickly](https://www.infoq.com/minibooks/domain-driven-design-quickly)
 * [Domain-Driven Design Reference](https://www.domainlanguage.com/ddd/reference) - Eric Evans (CC BY)
 * [DSL Engineering: Designing, Implementing and Using Domain-Specific Languages](http://dslbook.org) - Markus Voelter
+* [Evidence-based Software Engineering](http://knosof.co.uk/ESEUR) - Derek M. Jones (PDF) (CC BY-SA) 
 * [Exploring CQRS and Event Sourcing](https://docs.microsoft.com/en-us/previous-versions/msp-n-p/jj554200(v=pandp.10)) - Dominic Betts, Julián Domínguez, Grigori Melnik, Mani Subramanian, Fernando Simonazzi ([EPUB, PDF](https://www.microsoft.com/en-us/download/details.aspx?id=34774) - [code samples](https://go.microsoft.com/fwlink/p/?linkid=258571))
 * [Guide to the Software Engineering Body of Knowledge](https://www.computer.org/education/bodies-of-knowledge/software-engineering/v3) (email address *requested*)
 * [How to Design Programs](https://www.htdp.org)