「総人口ト耕地面積(大正11年)」 Book 405 Arable Land, Farms | Graduate School of Arts and Sciences / College of Arts and Sciences
“Question 7” Book 405 Arable Land, Farms | Graduate School of Arts and Sciences / College of Arts and Sciences
“Tables concerning number and size of holdings in various countries,” Book 405 Arable Land, Farms | Graduate School of Arts and Sciences / College of Arts and Sciences