Individuals, subject matter and locations noted include:

1. admission ticket British Association for the Advancement of Science, visit to Royal College of Surgeons 25 September 1931
   
   
2. admission ticket British Association for the Advancement of Science, visit to Works of London General Omnibus Co Ltd and London Underground Group of Companies 28 September 1931
   
   
3. Royal Air Force display transfer ticket 28 June 1930
   
   
4. invitation card Mrs de Soysa at home 12 July