Karl Isidor Beck
[arz] كارل ايزيدور بيك
[da] Karl Beck
[de] Karl Isidor Beck
[eo] Károly Beck
[fr] Karl Isidor Beck
[he] קרל איזידור בק
[hu] Beck Károly
[pl] Karl Beck
[ru] Бек, Карл
[sv] Karl Beck