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@ebook{           Mason,
  Author        = "Mason, David S.",
  date-added    = "2020-04-10 11:05:14 +0200",
  date-modified = "2020-04-10 11:05:14 +0200",
  Publisher     = "Rowman \& Littlefield Publishers, Inc.",
  Title         = "A Concise History of Modern Europe - Liberty, Equality, Solidarity",
  Year          = "2011",
  File          = "A Concise History of Modern Europe - Liberty, Equality, Solidarity - Mason (0) (0) (0) - a - a - a.pdf"
}

@ebook{ Mason, Author = "Mason, David S.", date-added = "2020-04-10 11:05:14 +0200", date-modified = "2020-04-10 11:05:14 +0200", Publisher = "Rowman \& Littlefield Publishers, Inc.", Title = "A Concise History of Modern Europe - Liberty, Equality, Solidarity", Year = "2011", File = "A Concise History of Modern Europe - Liberty, Equality, Solidarity - Mason (0) (0) (0) - a - a - a.pdf" }