"Not Mere Written Words" by Dr. Jacqueline Stone

https://web.archive.org/web/20150104123653/http://www.princeton.edu/~jstone/Articles%20on%20the%20Lotus%20Sutra%20Tendai%20and%20Nichiren%20Buddhism/'Not%20Mere%20Written%20Words'%20-%20Perspectives%20on%20the%20Language%20of%20the.pdf