Bibliography of the Czech Linguistics (BibCzechLing)

The "Bibliography of the Czech Linguistics (BibCzechLing)" is provided by the Institute of the Czech Language of the Academy of Sciences of the Czech Republic (Ústav pro jazyk český AV). The database contains about 73.280 records and covers the period from 1992 till 2018. The list of subjects is located here.

Your search for Die äthiopischen Studien im 20. Jahrhundert provides 1 hits
1	The Ethiopian language area: an overview of studies published in Central and Eastern Europe Blažek, Václav, in: Die äthiopischen Studien im 20. Jahrhundert, Aachen, Shaker ; 2003, s. 31-54

Bibliography of the Czech Linguistics (BibCzechLing)

The Ethiopian language area: an overview of studies published in Central and Eastern Europe