Authors: BALLHAUS E

Citation: E. Ballhaus, THE VAL-DE-TRAVERS ASPHALT MINE - A CHAPTER IN THE HISTORY OF SWISS MINING - GERMAN - SPYCHER,A, Zeitschrift fur Volkskunde, 93(1), 1997, pp. 118-119

Authors: BALLHAUS E

Citation: E. Ballhaus, FILM CATALOG OF THE SWISS FOLKLORE SOCIET Y - GERMAN - SCHLUMPF,HU, EDITOR, Schweizerisches Archiv fur Volkskunde, 90(2), 1994, pp. 237-238

Authors: BALLHAUS E

Citation: E. Ballhaus, A ZURICH INDUSTRIALIST TRAVELS THROUGH SW ITZERLAND - PHOTOGRAPHS 1890-1936 - GERMAN - ZINGGELER,R, WYSS,N, EDITOR, Schweizerisches Archiv fur Volkskunde, 90(2), 1994, pp. 238-239