9780865976214 | Liberty Fund, January 5, 2015, cover price $24.00 | About this edition: Liberty Fund recognizes the significance of George Turnbull, one of the earliest of the authors in the Scottish tradition, with the publication of new editions of his Principles of Moral and Christian Philosophy, his Observations upon Liberal Education, and his translation of Heineccius.

9780135510100, titled "Managing Your Small Business" | Prentice Hall, March 1, 1981, cover price $58.00 | also contains Managing Your Small Business

9780865976221 | Liberty Fund, January 5, 2015, cover price $14.50 | About this edition: George Turnbull belongs with a group of early Scottish Enlightenment thinkers, including Francis Hutcheson, who found their native Calvinism too repressive.

9780135515327, titled "Management Response to Public Issues: Concepts and Cases in Strategy Formulation" | 2nd edition (Prentice Hall, April 1, 1989), cover price $26.60 | also contains Management Response to Public Issues: Concepts and Cases in Strategy Formulation

9780135540725 | 3 sub edition (Prentice Hall, August 1, 1993), cover price $131.40

9780135638910 | Facsimile edition (Prentice Hall, November 1, 1991), cover price $38.40 | About this edition: This innovative casebook was written by the originators of the successful pilot program that focused on how environmental issues weave themselves through all aspects of business.

9780135515327 | 2nd edition (Prentice Hall, April 1, 1989), cover price $26.60 | also contains Education for Life: Correspondence and Writings on Religion and Practical Philosophy