@book{
  author = "Tawney, R. H. (Richard Henry), 1880-1962",
  title = "The radical tradition : twelve essays on politics, education and literature",
  year: 1964
  key = "Socialism--Great Britain",
  key = "Great Britain--Politics and government--20th century",
  key = "Education--Great Britain",
  publisher = "G. Allen & Unwin",
  address = "London",
}