Tài liệu tham khảo

WikiPedia: William_L._Shirer http://www.americanheritage.com/content/%E2%80%9C-... http://americanradiohistory.com/Archive-BC/BC-1947... http://aleph.nkp.cz/F/?func=find-c&local_base=aut&... http://www.public.coe.edu/departments/Library/Find... http://www.history.ucsb.edu/faculty/marcuse/classe... http://catalogo.bne.es/uhtbin/authoritybrowse.cgi?... http://catalogue.bnf.fr/ark:/12148/cb11924657v http://data.bnf.fr/ark:/12148/cb11924657v http://www.idref.fr/027436780 http://id.loc.gov/authorities/names/n79054707