BibCzechLing: 79 hits for Dravidian on page 3

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 Dravidian provides 79 hits
21	The dimension of orality in Tamil literature Zvelebil, Kamil, in: Language versus dialect : Linguistic and literary essays on Hindi, Tamil and Sarnami, Delhi, 1990, s. 127-169
22	Was there an Australian substratum in Dravidian? Blažek, Václav, in: Mother Tongue (Gloucester, MA), 11, 2007, s. 275-294
23	Dravidian numerals Blažek, Václav, in: Mother Tongue (Gloucester, MA), 12, 2008, s. 203-215
24	Dravidian numerals Blažek, Václav, in: Journal of language relationship = Voprosy jazykovogo rodstva (Moskva), č. 1, 2009, s. 69-80
25	A grammar of Modern Tamil Lehman, Thomas Pondicherry 1989
26	Reduplizierte Verbstämme im Tamil Malten, Thomas Wiesbaden 1989
27	Studies in Dravidian Phonology. Institute for the Study of Languages and Cultures of Asia and Africa Učihida, Norihiko 1993
28	Dravidian linguistics. An introduction Zvelebil, Kamil V. Pondicherry 1990
29	The Harappan Civilization and Its Writing. A Model for the Decipherment of the Indus Script Fairservis, Walter A. Leiden 1992
30	Nilgiri Areal Studies Zvelebil, Kamil V. Ed. by Vacek, Jaroslav Praha 2001