Socialism and Sudoku June 6, 2015 Speaker – Bill Martin Venue: Head Office Date: 31st May, 2015 Socialism and Sudoku pt.1 https://www.worldsocialism.org/spgb/wp-content/uploads/2018/09/Socialism-and-Sudoku-pt.1.mp3 Socialism and Sudoku pt.2 https://www.worldsocialism.org/spgb/wp-content/uploads/2018/09/Socialism-and-Sudoku-pt.2.mp3