Rujukan Nazi Party Long Service Award

  • Ailsby, Christopher (2003) [1994]. A Collector's Guide To: World War 2 German Medals and Political Awards. Ian Allan Publishing, Inc. ISBN 9780711021464. 
  • Angolia, John (1987). For Führer and Fatherland: Military Awards of the Third Reich. R. James Bender Publishing. ISBN 0912138149. 
  • Angolia, John (1989). For Führer and Fatherland: Political & Civil Awards of the Third Reich. R. James Bender Publishing. ISBN 978-0912138169.