International Telegraph Convention, The International Telegraph Convention, concluded at St Petersburg, 1875, translated by Alfred Brasher. London, 1875
Robinson, D G, Report on the conference for the renewal of the International Telegraphic Convention of Paris, held at St Petersburg, June and July 1875; Memorandum on an investigation of the Indian Terminal charge for international telegrams. 1875
International Telegraph Convention, International Telegraph Convention with London revision of service regulations and tariffs, 1879, translated by Alfred Brasher. London, 1879
International Telegraph Convention, International Telegraph Convention with Berlin revision of service regulations and tariffs, 1885, translated by Alfred Brasher. London, 1885
International Telegraph Convention, The International Telegraph Convention with service regulations and tariffs. Paris revision, 1890, translated by Aldred Brasher. London, 1890
International Telegraph Convention, The International Telegraph Convention of St Petersburg and the International Telegraph Service Regulations. Budapest revision, 1896, translated by C.E.J. Twisaday and G.R. Neilson. London, 1896
International Telegraph Convention, The International Telegraph Convention of St Petersburg and the International Telegraph Service Regulations. London revision, 1903, translated by C.E.J. Twisaday and G.R. Neilson. London, 1903
International Telegraph Convention, The International Telegraph Convention of St Petersburg and the International Telegraph Service Regulations. Lisbon revision, 1908, translated by C.E.J. Twisaday and G.R. Neilson. London, 1908