@article{WickelHartogh2005,
  author    = {Wickel, Hans Hermann and Hartogh, Theo},
  title     = {Ausbildungsdisziplin Musikgeragogik},
  series = {Musikforum},
  volume    = {3},
  journal   = {Musikforum},
  number    = {3},
  pages     = {16 -- 18},
  year      = {2005},
  language  = {mul}
}
@incollection{HartoghWickel2004,
  author    = {Hartogh, Theo and Wickel, Hans Hermann},
  title     = {Biografiearbeit},
  series = {Th. Hartogh \& H. H. Wickel, Handbuch: Musik in der Sozialen Arbeit},
  booktitle = {Th. Hartogh \& H. H. Wickel, Handbuch: Musik in der Sozialen Arbeit},
  edition   = {1.},
  publisher = {Juventa},
  address   = {Weinheim},
  isbn      = {3-7799-0787-9},
  pages     = {223 -- 228},
  year      = {2004},
  language  = {de}
}
@book{WickelHartogh2004,
  author    = {Wickel, Hans Hermann and Hartogh, Theo},
  title     = {Handbuch Musik in der Sozialen Arbeit},
  publisher = {Juventa},
  address   = {Weinheim},
  isbn      = {3-7799-0787-9},
  pages     = {496 S.: graph. Darst.},
  year      = {2004},
  language  = {de}
}
@article{HartoghWickel2015,
  author    = {Hartogh, Theo and Wickel, Hans Hermann},
  title     = {High Fossility und Faltenrock. Musikgeragogik ist musikalische Bildung im Alter.},
  series = {KulturR{\"a}ume},
  volume    = {5},
  journal   = {KulturR{\"a}ume},
  number    = {8},
  issn      = {2193-6234},
  pages     = {13 -- 17},
  year      = {2015},
  language  = {de}
}
@incollection{HartoghWickel2004,
  author    = {Hartogh, Theo and Wickel, Hans Hermann},
  title     = {Instrumentarium},
  series = {Th. Hartogh \& H. H. Wickel, Handbuch: Musik in der Sozialen Arbeit},
  booktitle = {Th. Hartogh \& H. H. Wickel, Handbuch: Musik in der Sozialen Arbeit},
  edition   = {1.},
  publisher = {Juventa},
  address   = {Weinheim},
  isbn      = {3-7799-0787-9},
  pages     = {113 -- 122},
  year      = {2004},
  language  = {de}
}
@incollection{HartoghKehrerWickel2014,
  author    = {Hartogh, Theo and Kehrer, Eva and Wickel, Hans Hermann},
  title     = {Music Geragogics - Making Music with the Elderly},
  series = {Damien Sagrillo \& Dieter Ferring (Hrsg.): Music (Education) from the Cradle to the Grave},
  booktitle = {Damien Sagrillo \& Dieter Ferring (Hrsg.): Music (Education) from the Cradle to the Grave},
  publisher = {Margraf Publishers},
  address   = {Weikersheim},
  isbn      = {978-3-8236-1687-0},
  pages     = {69 -- 84},
  year      = {2014},
  language  = {en}
}
@incollection{HartoghWickel2004,
  author    = {Hartogh, Theo and Wickel, Hans Hermann},
  title     = {Musik im Strafvollzug},
  series = {Th. Hartogh \& H. H. Wickel, Handbuch: Musik in der Sozialen Arbeit},
  booktitle = {Th. Hartogh \& H. H. Wickel, Handbuch: Musik in der Sozialen Arbeit},
  edition   = {1.},
  publisher = {Juventa},
  address   = {Weinheim},
  isbn      = {3-7799-0787-9},
  pages     = {435 -- 440},
  year      = {2004},
  language  = {de}
}
@incollection{HartoghWickel2004,
  author    = {Hartogh, Theo and Wickel, Hans Hermann},
  title     = {Musik in der Altenarbeit},
  series = {Th. Hartogh \& H. H. Wickel, Handbuch: Musik in der Sozialen Arbeit},
  booktitle = {Th. Hartogh \& H. H. Wickel, Handbuch: Musik in der Sozialen Arbeit},
  edition   = {1.},
  publisher = {Juventa},
  address   = {Weinheim},
  isbn      = {3-7799-0787-9},
  pages     = {359 -- 372},
  year      = {2004},
  language  = {de}
}
@incollection{HartoghWickel2004,
  author    = {Hartogh, Theo and Wickel, Hans Hermann},
  title     = {Musik in der Behindertenarbeit},
  series = {Th. Hartogh \& H. H. Wickel, Handbuch: Musik in der Sozialen Arbeit},
  booktitle = {Th. Hartogh \& H. H. Wickel, Handbuch: Musik in der Sozialen Arbeit},
  edition   = {1.},
  publisher = {Juventa},
  address   = {Weinheim},
  isbn      = {3-7799-0787-9},
  pages     = {373 -- 385},
  year      = {2004},
  language  = {de}
}
@incollection{HartoghWickel2012,
  author    = {Hartogh, Theo and Wickel, Hans Hermann},
  title     = {Musik in der Sozialen Arbeit - aufgezeigt am Arbeitsfeld Soziale Altenarbeit},
  series = {M.-S. Meis \& G.-A. Mies, K{\"u}nstlerisch-{\"a}sthetische Methoden in der Sozialen Arbeit},
  booktitle = {M.-S. Meis \& G.-A. Mies, K{\"u}nstlerisch-{\"a}sthetische Methoden in der Sozialen Arbeit},
  edition   = {1. Aufl.},
  publisher = {Kohlhammer},
  address   = {Stuttgart},
  isbn      = {978-3-17-021385-2},
  pages     = {203 -- 222},
  year      = {2012},
  language  = {de}
}