Photo-heliographic results 1874 to 1885 being supplementary results from photographs of the sun taken at Greenwich, at Harvard College, U.S.A., at Melbourne, in India, and in Mauritius in the years 1874 to 1885, and measured and reduced at the Royal Observatory, Greenwich, under the direction of Sir W.H.M. Christie, Astronomer Royal. (Appendix to the Greenwich observations, 1905)

"Photo-heliographic results 1874 to 1885 being supplementary results from photographs of the sun taken at Greenwich, at Harvard College, U.S.A., at Melbourne, in India, and in Mauritius in the years 1874 to 1885, and measured and reduced at the Royal Observatory, Greenwich, under the direction of Sir W.H.M. Christie, Astronomer Royal. (Appendix to the Greenwich observations, 1905)"@en
"Photo-heliographic results 1874 to 1885 being supplementary results from photographs of the sun taken at Greenwich, at Harvard college, U.S.A., at Melbourne, in India, and in Mauritius in the years 1874 to 1885 and measured and reduced at the Royal observatory, Greenwich"@en
"Photo-heliographic results 1874 to 1885 being supplementary results from photographs of the sun taken at Greenwich, at Harvard college, U.S.A., at Melbourne, in India, and in Mauritius in the years 1874 to 1885: and measured and reduced at the Royal observatory, Greenwich"