1
3
6
7
Published 1998
Other Involved Persons: ...Ploetz, Carl...
Book
8
Published 1998
Other Involved Persons: ...Ploetz, Carl...
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9
Published 2005
Other Involved Persons: ...Ploetz, Carl...
Book
10
Published 1998
Other Involved Persons: ...Ploetz, Carl...
Book
11
Published 1998
Other Involved Persons: ...Ploetz, Carl...
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13
Published 1998
Other Involved Persons: ...Ploetz, Carl...
Book
14
Published 2006
Other Involved Persons: ...Ploetz, Carl...
Book
15
Published 1998
Other Involved Persons: ...Ploetz, Carl...
Book
16
Published 1998
Other Involved Persons: ...Ploetz, Carl...
Book
17
Published 1999
Other Involved Persons: ...Ploetz, Carl...
Book
18
19
by Callin
Published in Achter Band (1851)
Other Involved Persons: ...Ploetz, Carl...
Article
20
Published 2005
Other Involved Persons: ...Ploetz, Carl...
Book