The Kyoto School - A review by Diana L. Pasulka of Heisig's Philosophers of Nothingness: An Essay on the Kyoto School. Concisely summarizes Heisig's approach. - http://www.buddhistethics.org/10/pasulka01.html
The Buddha Eye: An Anthology of the Kyoto School - A 1984 review by Steven Heine of this collection, from the Journal Philosophy East and West. Notes the limitations of and questions raised by this book, the first English-language book on the Kyoto School. - http://www.buddhismtoday.com/english/book/035-BuddhaEye.htm