References
- Berggren , J Lennart and Jones , Alexander . 2000 . Ptolemy's Geography: an annotated translation of the theoretical chapters Princeton University Press, .
- Camden , William . 1722 . Britannia: or a chorographical description of Great Britain and Ireland, together with the adjacent islands. Written in Latin by William Camden … and translated into English, with additions and improvements. Revised, digested, and published, with large additions, by Edmund Gibson … Edited by: Edmund … (trans Edmund Gibson) , Gibson . London (original work published 1590)
- Jones , Barri and Keillar , Ian, Marinus . 1996 . Ptolemy and the turning of Scotland . Britannia , 27 : 43 – 49 .
- NOAA . 1999 . National Oceanic and Atmospheric Administration , http://www.nqdc.noaa.gov/mqq/topo/globe.html
- Stückelberger , Alfred and Graßhoff , Gerd . 2006 . Ptolemaios Handbuch der Geographie Schwabe, .
- Toomer , G J . 1984 . Ptolemy's Almagest Duckworth, .