 He is the author of one law book, and the author or co-author of 30 law journal articles or book chapters on topics including constitutional law, criminal law, administrative law, human rights, and the rights of persons with disabilities.His publications have been cited with approval in several decisions of the Supreme Court of Canada, as well as by trial and appeal courts across Canada.He has lectured on topics including these across Canada, and in the U.S., Israel, the Republic of Ireland, Denmark and Belgium.