Russe |  Use for works on the language of the Serbs treated as a separate language. For works on the language(s) of the Serbs, Croats and Bosnians treated together as a single language, use Serbocroatian. Serbe |  Use for works on the language(s) of the Serbs, Croats and Bosnians treated together as a single language. Serbo-croate |