Answer

External debt a/k/a foreign debt is the portion of total country debt that is owed to creditors outside of the country.

Go to the Virtual Business Library's Economic and Statistical Information section for links to useful resources including links to the following suggested resources. 

Bloomberg: Use EIU for countries economic profiles and CSDR for sovereign debt ratings.  Choose either long term or short-term debt.  

Please note that Bloomberg is accessible in the Bobst Library.  To use this resource, stop by the 5^th floor Research Commons.  Go to the NYU Guide, Bloomberg Guide, which has information on the basics for getting started as well as tips, tricks and shortcuts. 

EIU Country Finance: Select a county and choose the main report.  Sovereign debt rating information is provided for S&P, Moody's and Fitch as well as Economist Intelligence Unit ratings for risk. 

World Development Indicators: Provides a link to The World Bank.  You may want to consult QEDS: Quarterly External Debt Statistics

You may want to consult the NYU guide on Country Information.