Zeitschrift für Säuglingsschutz
- 1.1909 Chicago-USA* = Google (1+2), Google (Stanford)
- 2.1910 Chicago-USA* = Google (1+2), Google (Stanford)
- 3.1911 Chicago-USA* = Google, Google (Stanford)
- 4.1912 Chicago-USA* = Google, Google (Stanford)
- 5.1913 Chicago-USA* = Google-USA*, Google-USA* (Stanford)
- 6.1914 Chicago-USA* = Google-USA*, Google-USA* (Stanford)
- 7.1915 Chicago-USA* = Google-USA*, Google-USA* (Stanford)
- 8.1916 Google-USA* (Stanford)