@book{
  author = "Roberts, James S.",
  title = "Drink, temperance, and the working class in nineteenth-century Germany",
  year: 1984
  key = "Liquor problem--Germany--History--19th century",
  key = "Temperance--History--19th century",
  key = "Labor and laboring classes--Germany--Social conditions",
  publisher = "Allen & Unwin",
  address = "Boston",
  ISSN/ISBN = "9780049430297 [0049430297]",
}