KEYNES, J.M. A Treatise on Probability. Lond., Macmillan and Co., 1921. xi, (1), 466, (2) pp. Or. brown gilt lettered cloth. (Small ticket on paste down).
First edition of what Bertrand Russell called, "undoubtedly the most important work on probability that has appeared for a very long time," and a "book as a whole is one which it is impossible to praise too highly." - Near fine copy.€ 400