The Brockhaus Enzyklopädie is a German-language encyclopedia which until 2009 was published by the F. A. Brockhaus printing house.
Brockhaus' Konversations-Lexikon, 14th edition, c. 1910
Brockhaus advertising at the Frankfurt Book Fair in 2005
The Bibliographisches Institut was a German publishing company founded 1826 in Gotha by Joseph Meyer. It moved to Hildburghausen in 1828 and to Leipzig in 1874. Its production over the years includes
Title page of Meyers Konversations-Lexikon, 4th ed., 1889
Share of the Bibliographisches Institut AG, issued 30 November 1921