共 50 条
[32]
The Pace of Agriculture in American Life
[J].
AMERICAN JOURNAL OF SOCIOLOGY,
1931, 37 (01)
:163-164
[33]
EFFICIENCY WITHIN AMERICAN AGRICULTURE
[J].
JOURNAL OF FARM ECONOMICS,
1955, 37 (03)
:P524-P537
[35]
The Social History of American Agriculture
[J].
JOURNAL OF FARM ECONOMICS,
1937, 19 (04)
:966-967
[36]
THE THEORY OF RENT AND AMERICAN AGRICULTURE
[J].
AMERICAN ECONOMIC REVIEW,
1914, 4 (01)
:109-114
[40]
American Agriculture, A Travel Study
[J].
BULLETIN OF THE AMERICAN GEOGRAPHICAL SOCIETY OF NEW YORK,
1905, 37 (12)
:759-760