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@Book{fish:drugs,
  mainsubtitle = {Drugs and Society},
  year = {2006},
  editor   = {Jefferson M. Fish},
  maintitle= {U.S.~public policy},
  publisher= {Rowman & Littlefield Publishers, Inc},
  location = {Lanham, Maryland},
  isbn = {0-7425-4245-9},
  sortname = {Jefferson M. Fish},
  sorttitle= {U.S. public policy Drugs and Society},
  options  = {dataonly},
}
@Set{set:fish:drugs,
  entryset = {fish:drugs:gable:alt,fish:drugs:cleveland:use,fish:drugs:evans:intro},
  options  = {multivolumehead=fish:drugs},
}
@Inbook{fish:drugs:evans:intro,
  crossref   = {fish:drugs},
  author = {Richard M. Evans and Stanley Neustadter},
  chapter= {6},
  title  = {Legalization: An Introduction},
  pages  = {129-148},
  sorttitle  = {06 Legalization: An Introduction},
  options= {dataonly},
}
@Inbook{fish:drugs:cleveland:use,
  crossref   = {fish:drugs},
  author = {Mary M. Cleveland},
  chapter= {9a},
  title  = {Use, 'Abuse', Adverse Health Effects, and Addiction},
  pages  = {197-200},
  sorttitle  = {09 Use, Abuse, Adverse Health Effects, and Addiction},
  options= {dataonly},
}
@Inbook{fish:drugs:gable:alt,
  crossref   = {fish:drugs},
  author = {Robert S. Gable},
  chapter= {7},
  title  = {Acute Toxicity of Drugs versus Regulatory Status},
  pages  = {149-161},
  sorttitle  = {07 Acute Toxicity of Drugs versus Regulatory Status},
}
@Book{A,
  author  = {René Goscinny and Albert Uderzo},
  maintitle   = {Asterix und Obelix},
  year    = {1959--2018},
  publisher   = {Dargaud},
  location= {Paris},
  volumes = {99},
  options = {dataonly},
}
@Set{set:A,
  entryset= {A:V1,A:V2,A:V3,A:V4,A:V5,A:V6},
  options = {multivolumehead=A},
}
@Book{A:V1,
  crossref= {A},
  title   = {Asterix der Gallier},
  sorttitle   = {Goscinny Rene Uderzo Albert Asterix und Obelix 01},
  year    = {1959},
  isbn    = {1234567890123},
  volume  = {1},
}
@Book{A:V2,
  crossref= {A},
  title   = {Asterix und Kleopatra},
  sorttitle   = {Goscinny Rene Uderzo Albert Asterix und Obelix 02},
  year    = {1968},
  isbn    = {2345678901234},
  volume  = {2},
}
@Book{A:V3,
  crossref= {A},
  title   = {Asterix als Gladiator},
  sorttitle   = {Goscinny Rene Uderzo Albert Asterix und Obelix 03},
  year    = {1969},
  isbn    = {3456789012345},
  volume  = {3},
}
@Book{A:V4,
  crossref= {A},
  title   = {Der Kampf der Häuptlinge},
  sorttitle   = {Goscinny Rene Uderzo Albert Asterix und Obelix 04},
  year    = {1969},
  isbn    = {4567890123456},
  volume  = {4},
}
@Book{A:V5,
  crossref= {A},
  title   = {Die goldene Sichel},
  sorttitle   = {Goscinny Rene Uderzo Albert Asterix und Obelix 05},
  year    = {1970},
  isbn    = {5678901234567},
  volume  = {5},
}
@Book{A:V6,
  crossref= {A},
  title   = {Tour de France},
  sorttitle   = {Goscinny Rene Uderzo Albert Asterix und Obelix 06},
  year    = {1970},
  isbn    = {6789012345678},
  volume  = {6},
}
@Book{DHS:base,
  editor= {{Deutsche Hauptstelle für Suchtfragen e.~V.}},
  sortname  = {{Deutsche Hauptstelle für Suchtfragen}},
  year  = {2017},
  url   = {www.dhs.de},
  urldate   = {2018-04-30},
  maintitle = {Suchtmedizinische Reihe},
  options   = {dataonly},
}
@Book{DHS:nik,
  crossref  = {DHS:base},
  title = {Tabakabhängigkeit},
  sorttitle = {Deutsche Hauptstelle für Suchtfragen Suchtmedizinische Reihe 01},
  volume= {1},
  isbn  = {978-3-937587-00-4},
}
@Book{DHS:alk,
  crossref  = {DHS:base},
  title = {Alkoholabhängigkeit},
  sorttitle = {Deutsche Hauptstelle für Suchtfragen Suchtmedizinische Reihe 02},
  volume= {2},
  isbn  = {978-3-937587-01-1},
}
@Book{DHS:drogen,
  crossref  = {DHS:base},
  title = {Drogenabhängigkeit},
  sorttitle = {Deutsche Hauptstelle für Suchtfragen Suchtmedizinische Reihe 04},
  volume= {4},
  isbn  = {978-3-937587-03-5},
}
@Set{DHS:SMR,
  crossref  = {DHS:base},
  entryset  = {DHS:alk,DHS:nik,DHS:drogen},
  options   = {multivolumehead=DHS:base},
}
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% https://tex.stackexchange.com/questions/416444/biber-and-biblatex-reference-to-multiple-subentries
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%Clevelandsupercite{fish:drugs:cleveland:use} writes some hard stuff.
Asterix loves fish.supercite{fish:drugs:evans:intro,fish:drugs:gable:alt,fish:drugs:cleveland:use}

Obelix loves drugs.supercite{DHS:nik,DHS:alk,DHS:drogen}

Idefix loves Asterix, rotten fish and drugs.supercite{DHS:nik,DHS:alk,DHS:drogen,A:V1,A:V3,A:V4,A:V5,fish:drugs:evans:intro,fish:drugs:gable:alt,fish:drugs:cleveland:use}

toggletrue{adapted}

Years ago Idefix loved Asterix, no drugs and good fish.supercite{DHS:nik,DHS:alk,DHS:drogen,A:V1,A:V3,A:V4,A:V5,fish:drugs:evans:intro,fish:drugs:gable:alt,fish:drugs:cleveland:use} These times have been betterdots

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