BibCzechLing: 275 hits for Non-verbal communication. Zoolinguistics on page 16

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 Non-verbal communication. Zoolinguistics provides 275 hits
151	Komunikace neslyšících. Sociolingvistika. Antologie textů Texty vybr. a uspoř. Homoláč, Jiří Praha 1998
152	Current Trends in European Sign Language Research Eds. Prillwitz, Siegmund Hamburg 1990
153	Semantic Fields in Sign Languages. Colour, Kinship and Quantification Ed. by Zeshan, Ulrike Boston, Berlin 2016
154	Language, Culture, and Society. An Introduction to Linguistic Anthropology Salzmann, Zdeněk Boulder 1993
155	Slovník vizuální komunikace Fassati, Tomáš Benešov 1997
156	Slovník vizuální komunikace Fassati, Tomáš Benešov 1997
157	Vybrané kapitoly ze sociální psychologie v kontextu komunikace Vykopalová, Hana Olomouc 2000
158	Handbook of Language and Ethnic Identity Ed. by Fishman, Joshua A. Oxford 1999
159	Language, Culture, and Society. An Introduction to Linguistic Anthropology. 2nd ed Salzmann, Zdeněk Boulder 1998
160	Sémiotika v teorii a praxi Doubravová, Jarmila Praha 2002