@book{ BA65859596,
  author    = "Nettels, Curtis P. (Curtis Putnam)",
  title     = "The roots of American civilization : a history of American colonial life",
  publisher = "F.S. Crofts",
  year      = "1938",
  series    = "Crofts American history series",
  number    = "",
  URL       = "http://ci.nii.ac.jp/ncid/BA65859596"
}