1
by Klein, J.
Published in Pädagogische Post (1924)
Volltext, Kostenfrei, Digitalisierung
urn:nbn:de:0111-bbf-spo-14745603
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2
3
by Klein, J.
Published in Gymnasium (1903)
Volltext, Kostenfrei, Digitalisierung
urn:nbn:de:0111-bbf-spo-8504475
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6
7
8
by Klein, J. L.,
published 1848
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11
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13
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17
by Klein, J.
Published in VDI Nachrichten (2005)
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18
by Klein, J.
Published in VDI Nachrichten (2005)
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19
by Klein, J.
Published in VDI Nachrichten (2005)
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20
by Klein, J.
Published in VDI Nachrichten (2004)
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