Washington, DC : SETA, Foundation for Political, Economic and Social Research, 2010 ; Halle (Saale) : Universitäts- und Landesbibliothek Sachsen-Anhalt, 2010
Washington, DC : SETA, Foundation for Political, Economic and Social Research, 2009 ; Halle (Saale) : Universitäts- und Landesbibliothek Sachsen-Anhalt, 2009
Washington, DC : SETA, Foundation for Political, Economic and Social Research, 2011 ; Halle (Saale) : Universitäts- und Landesbibliothek Sachsen-Anhalt, 2011
Washington, DC : SETA, Foundation for Political, Economic and Social Research, 2010 ; Halle (Saale) : Universitäts- und Landesbibliothek Sachsen-Anhalt, 2010