• D11-01: Päll, P. (2003). Script Transformation Systems. In J. Sievers and F.J. Ormeling (eds.) (2003) - Training coourse on Toponymy. Frankfurt am Main, Verlag des Bundesamtes für Kartographie und Geodäsie), pp. 131-137.
  
  

• Kadmon, N. (2000). Toponymy. The Lore, Laws and Language of Geographical Names. Vantage Press, New York.
  
  
• Back, O. (1997). Fragen der Wiedergabe fremdsprachlicher geographiscner Namen durch Exonyme oder durch Umschriftung. In: Kartographie und Namenstandardisierung. Wiener Schriften zur Geographie und Kartographie. Band 10. Institut fur Geographie der Universitat Wien, Ordinariat fur Geographie und Kartographie, 1997, pp. 55-63.

Online resources:

• UNGEGN - Working Group on Romanization systems
  
  
• US Board on geographical Names Romanization systems

The United Nations sell the following publications which also can be downloaded from the UNGEGN website:

• Glossary of Terms for the Standardization of Geographical Names (New York 2002) / pdf
  
  
• Manual for the national standardization of geographical names (UN - Ecosoc, New York, 2006   ST/ESA/STAT/SERM/88 Sales No. E.06.XVII.7 ISBN 92-1-161490-2, available in the 6 UN languages) / pdf
  
  
• Technical reference manual for the standardization of geographical names (New York, 2007) / pdf
  
  
• Resolutions adopted at the ten UN Conferences on the standardization of geographical names (English (pdf) / French (pdf)