Luft, Licht und Schall in Bezug auf Schulhygiene
| Institution: | International Institute of Social History |
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| Format: | TEXT |
| Published: |
Riga,
[1884]
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/8EFDD8BB-104F-4414-9F32-1FA8F34FC811 |
| Published: | [1884] |
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