[A study of agricultural production, 1927-37].
Liu
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D000383:Agriculture / Q000191:economics / Q000193:education / Q000266:history / Q000331:legislation & jurisprudence; D002681:China / Q000208:ethnology; D018556:Crops, Agricultural / Q000191:economics / Q000266:history; D003466:Cultural Characteristics; D004190:Disasters / Q000191:economics / Q000266:history; D004467:Economics / Q000266:history / Q000331:legislation & jurisprudence; D005523:Food Supply / Q000191:economics / Q000266:history / Q000331:legislation & jurisprudence; D049673:History, 20th Century; D011056:Political Systems / Q000266:history; D012922:Social Change / Q000266:history