Set of objects for lot 157, Lempertz, Math., Cologne (city) (1930-04-15)
used specific object
Set of objects for lot 157, Lempertz, Math., Cologne (city) (1930-04-15)
has representation
is identified by
has type
type
label
Set of objects for lot 157, Lempertz, Math., Cologne (city) (1930-04-15)