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| 090 | _a10854 | ||
| 099 |
_tARC _zALEX23147 _fCorrespondance |
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| 100 | _a20241101d1931 m||y0frey50 ba | ||
| 200 |
_aPaul Langevin. _eCorrespondance |
||
| 214 |
_aNanking _d07/12/1931 |
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| 300 | _aEn-tête: Ministry of Education, Republic of China | ||
| 307 | _aLettre | ||
| 327 | _aEn anglais, remerciements pour suggestions lors de la mission. Difficultés de mise en oeuvre vue les circonstances | ||
| 700 |
_aYuntin C. Li _4070 |
||
| 701 |
_aLangevin _bPaul _4660 |
||