File R 6/1880 - Covering letter from the Government of Madras, Revenue Department, transmitting the Proceedings of the Board of Revenue for the month of August 1879 and index for the year 1878
File R 11/1880 - Covering letter from the Government of Bombay, Revenue Department, transmitting copies of the Abstracts of the Proceedings of the Bombay Government in the Revenue Department (Miscellaneous, Registration & Lands, etc.) for the month of November 1879
File R 13/1880 - Covering letter from the Government of Bombay, Revenue Department, forwarding a copy of the Abstract of the Proceedings of the Bombay Government in the Revenue Department, marked "Forests," for the month of November 1879
File R 27/1880 - Letter from Robert Cross to the Undersecretary of State for India, dated 12th January 1880, regarding cinchona plants from the Royal Botanic Gardens at Kew taken to India by Mr Biermann
File R 53/1880 - Covering letter from the Commissioners of Her Majesty's Customs, dated 16th January 1880, transmitting 22 copies of supplement No.53 to the list of works
File R 109/1880 - Letter to the Under Secretary of State for India, from Jenkin & Phillips, Drug Brokers, dated 30th January 1880, regarding the sale of bales of cinchona bark from India
File R 168/1880 - Letter to the Under Secretary of State for India, from Jenkin & Phillips, Drug Brokers, dated London 17th February 1880, regarding 730 bales of cinchona bark