@article{schmid1907,
title = {Karl Henckells},
author = {F O Schmid},
url = {http://dx.doi.org/10.5169/seals-748301},
year = {1907},
date = {1907-00-31},
journal = {Berner Rundschau},
volume = {1},
number = {20},
pages = {681-686},
keywords = {},
pubstate = {published},
tppubtype = {article}
}

@article{Hauser1906,
title = {Karl Henckell. "Mein Lied"},
author = {Otto Hauser},
url = {http://anno.onb.ac.at/cgi-content/anno?aid=nfp&datum=19061118&seite=39},
year = {1906},
date = {1906-11-18},
journal = {Neue Freie Presse},
number = {15174},
pages = {39},
keywords = {},
pubstate = {published},
tppubtype = {article}
}

@article{Hauser1905,
title = {Karl Henckell. "Gipfel und Gründe"},
author = {Otto Hauser},
url = {http://anno.onb.ac.at/cgi-content/anno?aid=nfp&datum=19050319&seite=38},
year = {1905},
date = {1905-03-19},
journal = {Neue Freie Presse},
number = {14573},
keywords = {},
pubstate = {published},
tppubtype = {article}
}

@article{gr.1904,
title = {Hans Ostwald. Lieder aus dem Rinnstein},
author = {gr.},
year = {1904},
date = {1904-02-03},
journal = {Arbeiter-Zeitung},
volume = {16},
number = {34},
pages = {6},
abstract = {http://anno.onb.ac.at/cgi-content/anno?aid=aze&datum=19040203&seite=6},
keywords = {},
pubstate = {published},
tppubtype = {article}
}

@article{H.1902,
title = {Karl Henckell. "Neues Leben"},
author = {O H.},
url = {http://anno.onb.ac.at/cgi-content/anno?aid=nfp&datum=19021123&seite=40},
year = {1902},
date = {1902-11-23},
journal = {Neue Freie Presse},
number = {13738},
pages = {40},
keywords = {},
pubstate = {published},
tppubtype = {article}
}

@article{Zacharias1902,
title = {Carl Henckell's "Gedichtausgabe für das Volk"},
author = {Josefa Zacharias},
url = {http://anno.onb.ac.at/cgi-content/anno-plus?aid=ddf&datum=0007&page=308},
year = {1902},
date = {1902-08-15},
journal = {Dokumente der Frauen},
volume = {7},
number = {9-10},
pages = {274-276},
keywords = {},
pubstate = {published},
tppubtype = {article}
}

@article{ee1900,
title = {Karl Henckell, Neues Leben},
author = {E E.},
url = {https://www.e-periodica.ch/digbib/view?pid=slz-002:1900:45::808#808},
year = {1900},
date = {1900-00-01},
journal = {Literarische Beilage zur Schweizerischen Lehrerzeitung},
number = {12},
pages = {47},
keywords = {},
pubstate = {published},
tppubtype = {article}
}

@article{fm1898,
title = {Karl Henckell. Gedichte},
author = {F M.},
url = {http://retro.seals.ch/digbib/view?rid=spa-001:1899:9::407},
year = {1898},
date = {1898-00-15},
journal = {Schweizerische pädagogische Zeitschrift},
volume = {9},
number = {6},
pages = {342},
keywords = {},
pubstate = {published},
tppubtype = {article}
}

@article{morgenstern1894,
title = {Zwischenspiel von Karl Henckell. Zürich, Schabelitz},
author = {Christian Otto Morgenstern},
url = {http://www.christian-morgenstern.de/dcma/index.php?title=Zwischenspiel},
year = {1894},
date = {1894-01-01},
journal = {Der Zuschauer},
keywords = {},
pubstate = {published},
tppubtype = {article}
}

@article{Erdmann1893,
title = {Karl Henckell: "Aus meinem Liederbuche"},
author = {Gustav Adolf Erdmann},
url = {https://archive.org/details/bub_gb_JQYbAAAAYAAJ/page/n155},
year = {1893},
date = {1893-07-01},
journal = {Neue litterarische Blätter},
volume = {1},
number = {10 und 11},
pages = {147-149},
keywords = {},
pubstate = {published},
tppubtype = {article}
}

@article{v.Kapff1892,
title = {Trutznachtigall},
author = {O. v. Kapff},
url = {http://anno.onb.ac.at/cgi-content/anno-plus?aid=dmz&datum=1892&page=294&size=45},
year = {1892},
date = {1892-11-10},
journal = {Deutsche Musik-Zeitung},
volume = {19},
number = {32},
pages = {288},
keywords = {},
pubstate = {published},
tppubtype = {article}
}

@article{grenzboten1888,
title = {Amselrufe},
url = {http://brema.suub.uni-bremen.de/grenzboten/periodical/pageview/203232},
year = {1888},
date = {1888-01-01},
journal = {Die Grenzboten},
volume = {47},
pages = {447-448},
keywords = {},
pubstate = {published},
tppubtype = {article}
}