Folder A.19.1: 'Philosophical Transactions of the Avuncular Society. Volume two'. Notes and reflections by Coulson on factors in his own development, and especially on religion; mostly June 1930-June 1932, with one letter from Douglas Lea 1938. Folder A.19.2: 'Letters to Arthur, Vol. One July 1930-July 1932'. 10 letters, each separately filed and titled by Coulson, on various topics: work and career at Cambridge, politics, Christian marriage, etc. Folder A.19.3: 'C's…