Correspondence concerning observations given to the Northern Rifle Association, U. Levau, Mr Spencer, A. Stubbs, J. Franz, H.P. Slade, Mr MacKenzie, Mr Jackson, Mr Dawes and Mr Hutchinson, 1889. The topics include the Sun's position at Wimbledon; Vesta, 1887-1888; the azimuth of the Sun and Moon in west London; sunrise near Paris; the full Moon, January and February 1891; observations of a lunar crater; measures of Mars and Saturn; an equation of time; the meeting of Mars and Saturn; and the opposition of Jupiter, 1885-1886.

Correspondence with A. Auwers, 1890, regarding the composition of stars for Iris in opposition, 1889.

Correspondence of 1901 regarding observations given to J.C. Odell regarding meteors and to G. Forbes concerning Comet B 1900 and errors of Neptune.

Correspondence regarding observations and calculations given to Mr Dyer, Mr Sherbourne, W. Taylor, Captain Woodley, J.E. Woodehouse, D. Gottling, A.F.C. Bentley, D. Allatini, H.H. Turner, E.W. Oliver and A.H. Kersey, 1902. The topics include lighting-up times; transits of Mercury; errors in the position of the Moon; the asteroid Eros; precession; Polaris; stars seen, 26-27 April 1872; errors of the Moon; the meridian time of Jupiter, 27 August 1902; and the altitude of the Sun on the longest and shortest days.

Correspondence regarding observations and calculations given to J. Harcourt-Gibbons, J. Hay, L. Topham, Professor Balchevaroff, R.J. Wilstead, P. de Lord, W.P. Goudie, H.A. Phillips, the Revd Hope, G. Stovell, Dr Bakhuyzin, J. Hethorington, Mrs Schowid, J. Woodhouse, Isaac Green, the Revd le Jenne, Collins and Son, P. Landon, W.G. Weston, Mrs Marks, A. Hildesheimer, R.S. Ball, G.L. Owen, E. Walton, J.H. Elgie, Miss Sinclair, A.E. Pierrie, H.W. Thacher, F. Tregelles, R. Watson, Mrs Vernall, W. Bass, C.R. Wibben, Bibby's Quarterly, B. Hindle, the W. Ellis School, J.H.W. Biggs and G. Gunison, 1903. The topics include sunspots; stellar magnitude; 47 Cygni; errors of the Moon; positions of the Moon and planets; P. de Lord's almanac; the Sun's diameter; a bright star seen; the rising and setting of the Moon; sunset at Torquay; the Moon's errors; times of sunrise and sunset; the Pleiades; Nova Aurigae; Neptune; Uranus; eclipse information for use in diaries; the visibility of the Southern Cross; the dates of the equinoxes; Jupiter; the phases of the Moon; Comet B 1902; the size of the Earth's orbit; the Harvest Moon; comets, Neptune and sunspots; times of the full Moon; sunset at Wrexham; the positions of planets; the Sun's influence on the weather; Jupiter; the size of Alpha Centauri; sunspot photographs; the start of the seasons; star atlases; twilight in the Lake District; and eclipses.

Correspondence regarding observations and calculations given to A.E. Bennett, A.J. Bateman, G. Sweetapple, H.G. Raeburn, the Revd Cannon Thompson, H. Mems and Sons, W. Ibett, Whyte-Risdale and Co., W. Nathern, C.F.M. Lodge, H.J. Carlisle, E.W. Eason, T. Wood, J. Willis, T.J. Box, E.C. See, C. Manners-Smith, Miss E.B. Coad, Mrs G. Baxter, Captain T. Harvey, J. Slater, F.R. Phillips, J.W. Elger, J.R. Armstrong, Miss E. Dent, F. Butteriss, M.B. Cotsworth, T. Kilgannon, J. Opie and H.P. Slade, 1904. The topics include gravitation; sunset time; the names of the stars in Ursa Major; the meridian of Gosforth; days of the week in 1617; sundials; the orbit of the Sun and Earth; sunset times in the Transvaal; the accuracy of almanacs; star charts; horary tables; the elevation of the Sun; star lists; the positions of planets; the designation of the new Moon; the 'Nautical Almanac'; oppositions of Jupiter; the visibility of the Southern Cross; Capella; the height of the midsummer sun at Liverpool; fog; Neptune; Comet Encke; Betelgeuse; the difference between Dublin time and Greenwich time; the star of Bethlehem; time systems; equinoxes; tables for a local almanac; the seasons; and errors in the Moon's position.

Correspondence regarding observations and calculations given to C.H. Draper, T. Leighton, J.M. Harg, J.B. Hannay, E. Marshall, A.T. Cooke, Dr Cohn, H.H. Turner, Miss Hall, L.B. Tampling, J. Graham, J.D. Parsons, G. Dewar, H. Jackson-Pywell, W.H. Horlington, T. Bodkin, C. Martin, W. Neill, T. Chatterton, E. Anthony, Miss Taylor, G.W. Frost, Mrs Harman, M.F. Koenigs, H.H.W. Brice, S.E. Richards, Miss Whitcombe, Miss Anderson, F.H. Jeannin, the Revd Cooper, F. Marshall and the Revd H.P. Slade, 1905. The topics include star atlases; the Sun's rotation; occultations; the times of solar meridian transit; the length of the Moon's shadow; mathematical tables; observations for lecturing; planetary positions; planets seen and clouds; solar positions; the Sun's motion and diameter; Mars; the seasons and the equinoxes; local times; Easter Day; Venus; eclipses; the sunset at Sheffield; the Moon's rising and setting times in almanacs; a bright object seen; a bright star seen in daylight; bright lights seen; visibility; textbooks; lunar phases; a bright object seen (Mars); lunar elements; planetary motion; lunar cycles; the time of sunrise, 15 November 1861; and occultations.

Correspondence regarding observations and calculations given to C.F. Casella and Co., the Birmingham Electric Light Co., W.J. Spratley, Mrs Pretious, Miss Shore, C. Martin, G.A. Hill, R. Sadler, Riso Levi, Miss Compton, W.H. Thompson, Miss Grant, H.M. Knight, E.C. Fozard, A.F.C. Bently, and Herr Boltz, 1906. The topics include lunar tables; the times of sunset and sunrise; solar elements; books on astronomy; a chart of lunar motion; planetary positions; lunar observations; secular variations, circumpolar stars; the visibility of Orion; Venus and ancient methods of navigation; sunrise and sunset; the Harvest Moon; the Sun's declination; and lunar observations.

Correspondence regarding observations and calculations given to J.A. Fleming, Captain Bahras, W.H. Bauser, H.J. Evans, C.J. Lambert, Dixon and Hunting, F. Mason, E.H. Simpson, W. Gatward, B.F.E. Keeting, H.G. Lyons, A.H. Robinson, H.J. Finch, T.E. Giles, C. Chree, H. Nunes, J. Bartlett, D.H. Owen, C.H. Bytel, W.L. Brown, and G.B. Hemmings, 1907. The topics include lunar observations; lunar errors for longitude observations; solar work; a star chart; the Earth's motion and precession; Washington time; the Sun's declination; sundials; the Earth's motion and rotation; lunar places and errors; observations for lunar places; sundial setting; the visibility of planets; daybreak and twilight times; solar elements; visibility of planets; times quoted in almanacs; various almanacs and observation tables; new Moon dates, 1754-1756; the times of sunrise at Greenwich; and the distances of planets.