Brothers Grimm/Brüder Grimm not considered joint pseudonym of Wilhelm Grimm and Jacob Grimm; evidence indicates that original works were not issued under this name.
Von dem Fischer und seiner Frau. Eng. The fisherman & his wife, c1983 t.p. (Jakob Grimm)
Mojašević, M. Jakob Grim i srpska narodna književnost, 1983 t.p. (Jakob Grim)
Kinder- und Hausmärchen, 1986 t.p. (die Brüder Grimm)
Belosnezhka i drugie skazki, c1997 cover (Bratʹi︠a︡ Grimm)
Kazky nashoho dytynstva, 1998 t.p. (Braty Grimm)
Wikipedia, WWW, Sep. 16, 2011 ( b. 4 January 1785 in Hanau, Hesse-Kassel, HRE; d. 20 September 1863 in Berlin, Prussia; a German philologist, jurist and mythologist; attended University of Marburg, studying Law, 1802; worked as a librarian, a teacher, and a linguist)
Luseresn u Varderesě title page (Krim eghbayrner)