"The Ullstein Verlag was founded by Leopold Ullstein in 1877 at Berlin and is one of the largest publishing companies of Germany. It published newspapers like ...
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B.Z. and Berliner Morgenpost and books through its subsidiaries Ullstein Buchverlage and Propyläen.
The newspaper publishing branch was taken over by Axel Springer AG in 1956." - (en.wikipedia.org 30.01.2020)
