GERKEN (Gerken)

German

• Steuergestaltung bei Schenkung und Erbschaft. FamRZ-Buch: Band 16
  by Gerken
  Softcover, ISBN 3769409256 (3-7694-0925-6)

English

• 
  Acoustic Guitar: An Historical Look at the Composition, Construction, and Evolution of One of the World's Most Beloved Instruments
  by Michael Simmons, Richard Johnston, Frank Ford, GERKEN
  Softcover, Hal Leonard Corp, ISBN 0634079204 (0-634-07920-4)