Home › Authors › David Cram 👤 David Cram 7 books Books by David Cram Francis Willughby's Book of Games 2017 Teaching Language to a Boy Born Deaf 2017 John Wallis 2007 George Dalgarno on Universal Language 2001 History of Linguistics 1996 : History of Linguistics 1996 : Volume 2 1999 Explaining "teaching machines" and programming 1961 Income tax in the isle of Man Income tax in the isle of Man 1942