RT Journal Article SR Electronic A1 Balowski, Mieczysław T1 Comparative Lingustics and Edvard Lotko's research JF Bohemica Olomucensia YR 2018 VO 10 IS 1 SP 10 OP 31 DO 10.5507/bo.2018.002 UL https://bohemica.upol.cz/artkey/boh-201801-0002.php AB In the first part of the article, author describes three stages of comparative research conducted in Poland: confrontation of phonetic, phonological, inflectional and word formation system of all Slavic languages, confrontation of selected levels of two or more Slavic languages and development of literary languages on the Czech-Polish borderland. The author starts with a description of historical and comparative-historical linguistics. Then he proceeds to typological research in a characterological variant. He indicates the creation of mixed codes on the Czech-Polish border. In the second part, the author characterizes the scientific works of Professor Edvard Lotka, placing them on the background of previously described schools of linguistics.