Correspondence and related papers regarding the provision of observations to various individuals:

Correspondence regarding observations of the Moon given to Dr L. Ambronn, Gottingen, 1903.

Correspondence regarding observations of and corrections for right ascension and declination of the Moon in the 'Nautical Almanac' given to Captain Foulkes and Major Burdon, 1903.

Correspondence regarding a copy of Groombridge's Star Atlas sent to Professor Boss, Dudley Observatory, U.S.A., 1904.

Correspondence regarding reflex zenith tube observations exchanged with S.C. Chandler, United States, 1906.

Correspondence regarding observations of the Moon's errors, 1905-1906, sent to Dr Ambronn, Gottingen, 1907.

Correspondence regarding errors of the Moon given to the Bureau des Longitude, Paris, 1907.

Correspondence regarding planetary results sent to E.C. Pickering, Harvard College, 1907.

Correspondence regarding observations of star occultations by the Moon, 1907-1908, sent to S. Newcomb, 1907-1908.

Correspondence regarding observations of the Moon's error and occultations of stars sent to the French Army Geodetic Service, 1908.

Information regarding planetary tables given to J.P. Munro, 1908.

Correspondence regarding errors of the Moon sent to the Royal Geographic Society for Major Fawcett in Bolivia for survey work, 1908.

Correspondence regarding observations of errors in the place of Neptune 1907 sent to P. Lowell, Flagstaff, 1908.

Correspondence regarding tabular errors of lunar right ascension and declination sent to Captain Tilho, Paris, 1909.

Correspondence regarding tabular errors of Mars sent to S. Newcomb and used by W. Updegraft for the 'Nautical Almanac', 1909.

Correspondence regarding tabular errors of the Moon's right ascension sent to Dr Ambronn, 1910.

Correspondence with Admiral Horsey regarding Greenwich Sidereal Time, 1910.

Correspondence with R.L. Read regarding errors of the Moon and places of occultation stars, 1910.

Correspondence regarding errors of the Moon's place given to Admiral Fournier, 1910.

Correspondence with Major Marriot regarding the obliquity of the ecliptic for his book 'Why we may expect warmer winters', 1911.

Correspondence regarding errors of the Moon's place given to the Bureau des Longitudes, 1911.

Correspondence regarding meridian observations of the Moon given to H.N. Russell, Princeton, United States, for obtaining the Moon's position by photography, 1911.

Correspondence regarding reflex zenith tube observations given to Dr Courvovier, Berlin, 1911.

Correspondence regarding errors of the Moon's place given to the Anglo-Portuguese Boundary Commission in Barotse, 1911.

Correspondence regarding errors of the Moon's place given to the Lisbon Observatory for the Anglo-Rhodesian boundary, 1912.

Correspondence regarding errors of the Moon's place given to Dr Yersin, Paris, 1912.

Correspondence regarding errors of the Moon's place given to Professor Bakhayson, 1912.

Correspondence regarding tables of Mars sent to the United States Nautical Almanac Office, 1912.

Correspondence regarding errors of the Moon given to the Mission Hydrographique du Gabon, Paris, 1912.

Correspondence regarding errors on the Moon's place given to the Bolivia Bombay Commission and also places of stars in Boss's Catalogue, 1913.

Correspondence regarding errors of the Moon's place sent to M. Baillaud, Paris, 1912-1913.

Correspondence regarding errors of the Moon sent to the Cape for the Anglo-Rhodesian boundary survey, 1913.

Correspondence with W. Curtis regarding the computation of occultations observed during the Scott Expeditions, 1913.

Correspondence regarding errors of the Moon's place sent to Dr Ambronn, 1914.

Correspondence regarding errors of the Moon's place sent to E.A. Williams, 1913-1914.

Correspondence with E. Nevill, 1914, regarding the Moon's place in 1829.

Correspondence with W. Gormold, London, regarding the precession of the equinoxes, 1914.

Correspondence regarding places of the Moon sent to the Lisbon Observatory, 1914.