Frederick H. Martens Clara Stroebe
(2)
Alberto Bachmann/ Eugene Ysaye (INT)/ Frederick H. Martens (TRN)/ Albert E. Wier (EDT)
(1)
Frederick H. Martens (EDT)
(1)
Frederick H. Martens/ Richard Wilhelm/ Lucrezia Botti
(1)
Leopold Auer/ Frederick H. Martens (FRW)
(1)
R. Wilhelm (TRN)/ Frederick Herman Martens (TRN)
(1)