Singers' Bibliography: Repertoire Catalogs Super-Category

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Annotated multilingual repertoire catalogs: Books that index and annotate songs in multiple languages.
Multilingual repertoire indices: Books that index songs in multiple languages but do not have annotations. Often, but not always, these are more for the librarian and less for the singer.
English language catalogs: Books that index songs specifically in English (from Britain, Canada, America, Australia or any other sources), or by primarily English-speaking composers.
French language catalogs: Books that index songs specifically in French, or by primarily French-speaking composers.
German lanuage catalogs: Books that index songs specifically in German, or by primarily German-speaking composers.
Other language catalogs: Books that index songs specifically in other languages (than French, German, or English), or by composers who primarily speak one of these other languages.
Non-piano/vocal catalogs: Books that primarily index music written for combinations other than the standard piano plus voice. Other repertoire categories also contain general purpose books that index both piano-vocal pieces and pieces for voice with other instruments.
Sacred music catalogs: Books that primarily index sacred songs.

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