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 varianty řečové provides 2 hits
1	High vs. Low and Mixed Varieties. Domains, Status, and Function across Time and Languages Eds. Mejdell, Gunvor Wiesbaden 2012
2	Czech code mixing 1990-2010. From domain specialization toward graded registers Gammelgaard, Karen, in: High vs. Low and Mixed Varieties : Domains, Status, and Function across Time and Languages, Wiesbaden, Harrassowitz ; 2012, s. 179-196

Bibliography of the Czech Linguistics (BibCzechLing)

High vs. Low and Mixed Varieties. Domains, Status, and Function across Time and Languages

Czech code mixing 1990-2010. From domain specialization toward graded registers