Soziale Praxis und Archiv für Volkswohlfahrt
19.1909/10 - 26.1916/17
- 19.1909/10 Cornell-USA* = Google = Internet Archive, Illinois-USA* = Google, Michigan-USA* = Google, Minnesota-USA* = Google, Google (Wisconsin)
- 20.1910/11 Cornell-USA* = Google = Internet Archive, Illinois-USA* = Google, Michigan-USA* = Google, Minnesota-USA* = Google, Google (Wisconsin)
- 21.1911/12 Cornell-USA* = Google = Internet Archive, Illinois-USA* = Google, Michigan-USA* = Google, Minnesota-USA* = Google
- 22.1912/13 Cornell-USA* = Google = Internet Archive, Illinois-USA* = Google, Michigan-USA* = Google, Minnesota-USA* = Google, Google (Wisconsin)
- 23.1913/14 Cornell-USA* = Google-USA* = Internet Archive, Illinois-USA* = Google-USA*, Michigan-USA* = Google-USA*
- 24.1914/15 Michigan-USA* = Google-USA* = Internet Archive, Illinois-USA* = Google-USA*
- 25.1915/16 Cornell-USA* = Google-USA*, Illinois = Internet Archive, Google-USA* (Wisconsin)
- 26.1916/17 Cornell-USA* = Google-USA*, Illinois = Internet Archive
27.1917/18 - 36.1927
- 27.1917/18 Cornell-USA* = Google-USA* = Internet Archive, Illinois-USA* = Google-USA*
- 28.1918/19 Cornell-USA* = Google-USA*, Illinois-USA* = Internet Archive
- 29.1919/20 Cornell-USA* = Google-USA*, Illinois-USA* = Internet Archive
- 30.1921 Cornell-USA* = Google-USA* = Internet Archive
- 31.1922 Cornell-USA* = Google-USA*, Illinois = Internet Archive
- 32.1923 Cornell-USA* = Google-USA* = Internet Archive, Illinois-USA* = Google-USA*
- 33.1924 Cornell-USA* = Google-USA* = Internet Archive
- 34.1925 Cornell-USA* = Google-USA* = Internet Archive
- 35.1926 Cornell-USA* = Google-USA* = Internet Archive
- 36.1927 Cornell-USA* = Google-USA* (Öffnung 2023, wird nachgetragen)