@book{ BA66191231,
author = "Hadley, Arthur Twining",
title = "Undercurrents in American politics : comprising the Ford lectures, delivered at Oxford university and the Barbour-Page lectures, delivered at the University of Virginia in the spring of 1914",
publisher = "Yale University Press,Humphrey Milford : Oxford University Press",
year = "1915",
URL = "https://ci.nii.ac.jp/ncid/BA66191231"
}