The Principles of Mathematics. By Bertrand Russell. Second edition (London: George Allen & Unwin, Ltd. 1937. Pp. xxxix + 534. Price 18s.)An Introduction to Symbolic Logic. By Susanne K. Langer. (London: George Allen & Unwin, Ltd. 1937. Pp. 363. Price 12s. 6d.)
As this article doesn't contain an abstract, the image below is necessary to enable the article to be indexed by certain search engines. The resolution of the full-text PDF is much higher than that shown here.