Birkhäuser
Birkhäuser is a publishing house or book publisher.
Also recorded as Birkhäuser Verlag GmbH.
In detail
It is associated with Switzerland. The record gives 1879 as its date of establishment or first appearance. Activity is recorded as ending in 2012.
Its recorded seat is Basel.
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“Birkhäuser”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q370287: Birkhäuser
Consult the source