Henry Pierre Louis Leopold (1902 ). Eichler Willi. Internationaler Sozia Hauck books & textbook
Towards European unity, French-German relations discussed by Henry Hauck (France) Willi Eichler (Germany) and other European representatives
Henry Pierre Louis Leopold (1902-). Eichler Willi. Internationaler Sozia Hauck
London : Renaissance /1943T Paperback
