Verso: Notes on music history from an unidentified source, with page numbers; "10"; written on fragment of flyer, "Konzert Direktion Hugo Heller, Wien"

Description data TOP

unitdate

{"value"=>"Jun. 1915", "type"=>"inclusive", "normal"=>"1915-06"}

date_inclusive_start

1915

date_inclusive_end

1915

unittitle

{"value"=>"Verso: Notes on music history from an unidentified source, with page numbers; \"10\"; written on fragment of flyer, \"Konzert Direktion Hugo Heller, Wien\""}

unitid

{"type"=>"local_mss", "value"=>"872750"}

date_start

1915-06

date_end

1915-06

keydate

1915-06

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