= Book recommendations for the project = === on order === * M.B. Parkes, Pause and Effect: An Introduction to the History of Punctuation in the West, 1992 * Menge/Burkard/Schauer, Lehrbuch der lateinischen Syntax und Semantik, 2007 * Jukka Korpela, Unicode Explained, 2006 * The Unicode Standard, Version 5.0, 2006 * Eric van der Vlist, RELAX NG, 2003