Alpha, PenguinBooks, USA, str. 39 114. Biktashev Val, Moran Elisabeth, Yu Joseph (2005): The Complete Idiot's Guide to Feng Shui. Alpha, PenguinBooks, USA
tudi soavtor serije Big Book of Puzzles (Velika knjiga ugank) založbe PenguinBooks. V 60. in 70. letih je poučeval matematiko in geometrijo na londonskih
History: The Reign of Augustus, London: PenguinBooks. Mark Tulij Cicero (1986), Selected Letters, London: PenguinBooks. Gowing, Alain M. (1990), Appian and