Automated Reasoning: 7th International Joint Conference, Ijcar 2014, Held as Part of the Vienna Summer of Logic, Vienna, Austria, July 19-2 - Magers & Quinn Booksellers
Michael O'Mara Books UK trade publishing catalogue 2018 by Michael O'Mara Books - Issuu
Slitherlink Puzzles Printable Puzzle Book for Adultsextra - Etsy Hong Kong
Para's Puzzle Site: 2014
Big collection of white puzzles, Svg, Dxf, Png, Eps and Jpg files By Monkey Camouflage Design | TheHungryJPEG
Mein-Sudoku magazine launched in Germany, Switzerland and Austria by Rätsel Agentur