-Hans Burkhardt, Foreword to Metaphysical.
Between 1943 and 1992, Martin published 16 books and about 240 papers (of which 179 were included in his books) on an extraordinary range of subjects, including aesthetics, logic, the foundation of mathematics, metaphysics, syntax/semantics/pragmatics, the philosophy of science, phenomenology, process philosophy, theology, Frege, and Charles Sanders Peirce.