Twenty-one years of Iowa farm records | 21 years of Iowa farm records
1942
Hopkins, John A. (John Abel)
AGROVOC关键词
书目信息
Twenty-one years of Iowa farm records
Research bulletin (Iowa Agricultural Experiment Station)
出版者
Agricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts
页码
pages 292-352 : charts, maps ; 23 cm.
语言
英语
格式
print, unmediated, volume
注释
by John A. Hopkins.
类型
Records And Correspondence.; Monographic; Government Publication; Text
2024-02-27
MODS
