REFERENCES
Reading edition
A = First edition of the Critique of Pure Reason.
B = Second edition of the Critique of Pure Reason.
Prol. = Kant's Prolegomena to any future Metaphysic.
M = Meiklejohn's Translation of the Critique of Pure Reason.
Mah. = Mahaffy. Translation of Kant's Prolegomena to any future Metaphysic. (The pages referred to are those of the first edition; these are also to be found in the text of the second edition.)
Caird = Caird's Critical Philosophy of Kant.