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2 headings found for Siegfried Boelcke
Heading | Type | Sample Title | |
---|---|---|---|
1 |
Boelcke, Siegfried 1876-1930
|
Personal | History of military cartography |
2 |
Boelcke, Siegfried
|
Personal | Lichtbildner Eine Anleit f. Liebhaberphotographen |