Чарлс Франсис Ричардсън (Bulgarian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Чарлс Франсис Ричардсън" in Bulgarian language version.

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mocavo.com

Wilson, James Grant and John Fiske, editors. Appletons Cyclopaedia of American Biography, vol. V: Pickering - Sumter. New York, D. Appleton and Company, 1891. с. 241. Посетен на 8 март 2016.^{[неработеща препратка]}

wikipedia.org

en.wikipedia.org

Wilson, James Grant and John Fiske, editors. Appletons Cyclopaedia of American Biography, vol. V: Pickering - Sumter. New York, D. Appleton and Company, 1891. с. 241. Посетен на 8 март 2016.^{[неработеща препратка]}