This 1928 edition (Full title: Everyman's Library - Edited by Ernest Rhys - Philosophy and Theology - Spinoza's Ethics and "De Intellectus Emendatione" - translated by A. Boyle, Introduction by Professor G. Santayana) contains notes by both Agnes and Muriel Arber as well as a December 8, 1956 London Times obituary for translator Andrew Boyle.