共 56 条
[41]
PLOT R, 1676, NATURAL HISTORY OXFO, P208
[42]
SCHOFIELD RS, 1972, 19TH CENTURY SOC, P146
[43]
SKIPP V, 1970, AGRICULTURAL HIST RE, V18, P84
[44]
SLICHERVANBATH BH, 1967, ACTA HISTORIAE NEERL, V2, P26
[45]
SMITH W, 1949, EC GEOGRAPHY GREAT B, P31
[46]
SOM RK, 1973, MANUAL SAMPLING TECH, P97
[47]
Steer Francis William, 1950, FARM COTTAGE INVENTO
[48]
STRATTON JM, 1969, AGRICULTURAL RECORDS, P44
[49]
THIRSK J, 1968, ESSAYS AGRARIAN HIST, V1, P1
[50]
THOMPSON EP, 1971, PAST PRESENT, P76