Off-print, 'Principal directions in a gravitational field' from Proceedings of the Edinburgh Mathematical Society, (2. Vol. 6, 1938;
Off-print, 'Mathematics and its foundations' from MIND : a Quarterly Review of Psychology and Philosophy, (Vol. XLVII, N.S., No. 188, 1938).
Paper, 2 items in envelope. Xerox and printed.
Provenance: This material was not included in either of the two earlier sections of the catalogue of Turing Papers prepared by the Contemporary Scientific Archives Centre in 1977 and 1985.