Life of Karl Follen A Study in German-American Cultural Relations Spindler, George Washington Heftet / 2011 / Engelsk
Karl Follen: A Biographical Study (Classic Reprint) Spindler, George Washington Innbundet / 2018 / Engelsk
Karl Follen A Biographical Study - Scholar's Choice Edition Spindler, George Washington Heftet / 2015 / Engelsk
Karl Follen: A Biographical Study (Classic Reprint) Spindler, George Washington Heftet / 2018 / Engelsk
Life of Karl Follen A Study in German-American Cultural Relations Spindler, George Washington Innbundet / 2011 / Engelsk
