Letters of congratulations. These are:
- Letter from Harold R Battersby to Dr A.D.H. Bivar, Director, Royal Asiatic Society, to send his congratulations on the 150th Anniversary of the Society, dated 1 May 1873.
- Telegram from Professor Diakonoff to send his congratulations on 150th Anniversary, dated 25 July 1973. With this is a reply to the Professor from E.H.S. Simmonds, President, Royal Asiatic Society.