Item C5 - Box of index cards labelled 'Bertha Jeffreys', used for listing research folders, arranged by topic and numbered

The research topics are numbered 1-9, 0 and 1A-3A and correspond to those identified also in the filing cabinet index at C6. Some of the index cards have notes on the physical location of the material and the bulk relate to identified folders. Other sets of index cards in the box were used to record notes, letters etc on historical and other topics. There are sets of cards on Ebenezer Cunningham, Philip Jourdain, 'Letters concerning Committee on Teaching of Mathematics to Physicists 1943-5', and other topics.