@book{ BB13642963,
  author    = "Wickersham, James Pyle",
  title     = "A history of education in Pennsylvania, private and public, elementary and higher : from the time the Swedes settled on the Delaware to the present day",
  publisher = "University Microfilms International",
  year      = "1979",
  URL       = "https://ci.nii.ac.jp/ncid/BB13642963"
}