Daylight-saving time
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| Institution: | International Institute of Social History |
| Format: | IMAGE |
| Published: |
1928, 21 april
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| Online Access: | http://hdl.handle.net/10622/A37FF602-CDF6-4AB7-AE33-14945E1D36E9 |
| Published: | 1928, 21 april |
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