Telegraphic determinations of the difference of longitude between Karachi, Avanashi, Roorkee, Pondicherry, Colombo, Jaffna, Muddapur and Singapore, and the Government Observatory, Madras Q Science
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 Q Science
Proceedings of the second International Symposium on Problems Related to the Redefinition of North American Geodetic Networks : Arlington, Virginia, April 24-28, 1978 / sponsored by Department of Energy, Mines and Resources … [et al.] Q Science
