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| 037 | _aTextual | ||
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_aLefever D Welty _9759561 |
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| 245 | 0 | _aPrinciples and Techniques of guidance | |
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_aNew York, USA _bThe Ronald Press Company _c1950 |
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| 300 | _axvi,577p. | ||
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_cTEXL _h371.42, LEF |
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