Search for: [Abstract = "The article treats of various traces of a language past as a basic problem for a language historian. What is important, a language history is understood in a communication sense, as a history of language use. The author proposes three types of traces, which a historian of a language has at his disposal. These traces are\: direct traces, indirect traces and reinterpreted traces. Regardless of whether the trace is more or less clear, the superior question is its usefulness and what the trace leads to."]