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| LEADER |
00641nam a2200205 a 4500 |
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56769 |
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AR-LpUBP |
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20250704190024.0 |
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|a AR-LpUBP
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| 100 |
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|a Phillips, Byron A.
|9 46798
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| 245 |
1 |
0 |
|a Retardation in the elementary schools of Philadelphia
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| 260 |
|
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|a Pennsylvania :
|b Univ. Pennsylvania,
|c 1912.
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| 300 |
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|d Miguel Kiperszmid
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| 997 |
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|z a
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