1
Book
2
by Schipper, Jakob 1842-1915
Published 1889
Book
3
Published 1893
Journal
4
Published 1893
Electronic
5
by Bormann, Edwin 1851-1912
Published 1894
Book
7
by Bormann, Edwin
Published 1898
Book
9
by Bayley, Harold
Published 1906
Book
10
by Bormann, Edwin
Published 1906
Book
11
Published 1909
Book
12
by Theobald, William
Published 1909
Book
13
by Durning-Lawrence, Edwin
Published 1910
Book
14
by Engel, Eduard 1851-1938
Published 1919
Book
15
by Seibel, George
Published 1919
Book