Beiträge zur Kolonialpolitik und Kolonialwirtschaft

1.1899/00 New York = Google, Harvard = Google, Illinois = Google, SUB Hamburg
2.1900/01 New York-USA* = Google, Harvard-USA* = Google, Illinois-USA* = Google, SUB Hamburg, Cornell-USA* = Google
3.1901/02 New York-USA* = Google, Harvard-USA* = Google, Illinois-USA* = Google, SUB Hamburg, Cornell-USA* = Google
4.1902/03 New York-USA* = Google, Harvard-USA* = Google, Illinois-USA* = Google, SUB Hamburg, Cornell-USA* = Google, Iowa-USA* = Google
5.1903 New York-USA* = Google (5+6), Harvard-USA* = Google, Illinois-USA* = Google, SUB Hamburg, Cornell-USA* = Google, Iowa-USA* = Google