This letter mentions Dr.M. K. Vainu Bappu has been elected the President of the IAU for the term 1979-1982, followed by Bappu's distinguished life since his education from Hyderabad to Harvard and his contributions, awards, honours and leadership at national and international levels.

This letter concerns the role of astronomy. The contribution of astronomy to scientific development and the significant achievements and its continuous efforts.

This letter was about Kodaikanal Observatory's position & surroundings and also talks about scientific celebrities contribution and visits of Dr. Homi Bhabha, Dr. S. Chandrasekhar.

This letter was conveying Dr.M. K. Vainu Bappu to congratulating him on the government's decision to award him the Shanti Swarup Bhatnagar Prize for his contributions to physical sciences in 1970.

This letter from W. Huggins to John Evershed regarding approval of paper presentation

The letter is from the Director of Kodaikanal and Madras Observatories to the Superintendent of Government Press Madras regarding the Memoirs of Kodaikanal Observatory. It states that Ms of Volume 1, Part 1 of the memoirs of the Kodaikanal Observatory has been sent under a separate cover. Along with it is a part of the Royal Society of Philosophical Transaction for inspection and early return as it is to be used as a model for printing.

The letter is from the Director of Kodaikanal and Madras Observatories to the officiating Director General of Observatories regarding permission to create reproductions of photographs for memoirs of Observatory

The letter was a reply to the letter of the 6th of December 1936 and the reprint sent by John Evershed. He enclosed the letter of A. S. Eddington and replying to it. He explained his point of view on A. S. Eddington objection on his formula for the spectral shift of light.

The letter critisizes on the Royds's MS of bulletin no.48 in seven distiguished points.

This letter was a reply to Thomas Royds criticizing a note on MS of bulletin 49.