Zeitschrift des Deutschen Vereins zur Förderung der Luftschifffahrt
- 1.1882-2.1883 New York = Google = Internet Archive
- Jg. 2 ab S. 395 Internet Archive
- 3.1884-4.1885 New York = Google = Internet Archive
- 4.1885 Harvard = Google-USA* = Internet Archive (4+5)
- 5.1886 New York = Google = Internet Archive (5+6), Harvard = Google-USA* = Internet Archive (4+5) * 6.1887 New York = Google = Internet Archive (5+6), Harvard = Google = Internet Archive (6+7)