Kington-Oliphant, T. L. (1862). History of Frederick the Second, emperor of the Romans: From chronicles and documents published within the last ten years. Macmillan and co..
Chicago-referens (17:e uppl.)Kington-Oliphant, Thomas Lawrence. History of Frederick the Second, Emperor of the Romans: From Chronicles and Documents Published Within the Last Ten Years. Cambridge, London: Macmillan and co., 1862.
MLA-referens (8:e uppl.)Kington-Oliphant, Thomas Lawrence. History of Frederick the Second, Emperor of the Romans: From Chronicles and Documents Published Within the Last Ten Years. Macmillan and co., 1862.
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