@unpublished{Angelow2015,
  author    = {Angelow, J{\"u}rgen},
  title     = {Latest representations and perspectives on the outbreak of the first world war},
  series = {Historisches Jahrbuch},
  volume    = {135},
  journal   = {Historisches Jahrbuch},
  publisher = {Alber},
  address   = {Freiburg Breisgau},
  issn      = {0018-2621},
  pages     = {569 -- 583},
  year      = {2015},
  language  = {de}
}
@unpublished{KampmannBrechenmacher2015,
  author    = {Kampmann, Christoph and Brechenmacher, Thomas},
  title     = {Migration and religion: religiously determined migratory movements in history},
  series = {Historisches Jahrbuch},
  volume    = {135},
  journal   = {Historisches Jahrbuch},
  publisher = {Alber},
  address   = {Freiburg Breisgau},
  issn      = {0018-2621},
  pages     = {3 -- 8},
  year      = {2015},
  language  = {de}
}