@misc {TN_libero_mab2,
author
=
{
Otto Helbing Nachf
}
,
title
=
{
Auktions-Katalog / Otto Helbing Nachf.
}
,
publisher
=
{
[Verlag nicht ermittelbar]
}
,
keywords
=
{
Zeitschrift
}
,
year
=
{
1911-1943
}
,
address
=
{
München
}
,
}
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