3
Published 1950
Journal / Magazine
4
by Schenker, M.
Published 1933
(CARLI) (Other Sources: (PRCdb)95845)
Book
5
by Nissen, Claus, 1901-1975.
Published 1936
(CARLI) (Other Sources: (PRCdb)71186)
Book
6
Published 1923
(CARLI) (Other Sources: (PRCdb)160770)
Book
8
10
by Romberg, Winfried.
Published 2011
Book Electronic
11
Published 2010
Book Electronic
15
Published 1925
Journal / Magazine
17
Published 2005
Book Electronic