Publications and patents of the Eastern Utilization Research Branch

靑海省志

Qinghai Sheng di fang zhi bian zuan wei yuan hui

Ten acres enough

Morris, Edmund

Agriculture

James A. S. Watson

吉林省志

Jilin Sheng di fang zhi bian zuan wei yuan hui

Long-Range Agricultural Policy

United States. Congress. House. Committee on Agriculture

Fifteenth census of the United States

United States. Bureau of the Census

Facts about

United States. Agricultural Marketing Service.