Charles S. Peirce (1839-1914) is widely recognized as America's greatest philosopher the
originator of pragmatism and one of the founders of modern mathematical logic. He was also a
pioneer in the field of semiotics the general theory of signs and many have regarded him as
the father of the contemporary form of the discipline. The volume is a specialized selection of
unpublished writings spanning almost twenty years (1894-1913) that are essential to understand
Peirce's views about signs their classification and the relations between semiotics and
logical inquiry. It comprises twenty-two selections a historico-critical introduction and an
apparatus of editorial annotations. The selections are prepared following the methods of
scholarly editing of philosophical texts. The book will be of interest to graduate students and
researchers working in areas such as Peirce studies the history of American philosophy and
pragmatism logic and history of logic the history of analytic philosophy philosophy of
language semiotics and language sciences.