books.google.com - A collection of twelve essays by John Perry and two essays he co-authored, this book deals with various problems related to "self-locating beliefs": the sorts of beliefs one expresses with indexicals and demonstratives, like "I" and "this." Postscripts have been added to a number of the essays discussing...http://books.google.com/books/about/The_Problem_of_the_Essential_Indexical_a.html?id=QOiStM9IBkYC&utm_source=gb-gplus-shareThe Problem of the Essential Indexical : and Other Essays