* Added Evidence Based Software Engineering Book
* Update books/free-programming-books-subjects.md
Co-authored-by: Eric Hellman <eric@hellman.net>
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Co-authored-by: Eric Hellman <eric@hellman.net>
* [Domain-Driven Design Reference](https://www.domainlanguage.com/ddd/reference) - Eric Evans (CC BY)
* [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
* [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))
* [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*)
* [Guide to the Software Engineering Body of Knowledge](https://www.computer.org/education/bodies-of-knowledge/software-engineering/v3) (email address *requested*)