Title: Problem Solving and Program Design in C
Author: Hanly and Koffman
Publisher: Pearson
Year: 2010
University text book: yes

Title: C by Disssection
Author: Kelley and Pohl
Publisher: Addison Wesley
Year: 2001
University text book: yes

Title: The C Programming Language
Author: Kernighan og Ritchie
Publisher: Prentice Hall
Year: 1988
University text book: yes

Title: Pelle Erobreren
Author: Martin Andersen Nexoe
Publisher: Gyldendal
Year: 1910
University text book: no

Title: Ditte Menneskebarn
Author: Martin Andersen Nexoe
Publisher: Gyldendal
Year: 1917
University text book: no