BibCzechLing: 275 hits for Non-verbal communication. Zoolinguistics on page 17

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
161	Language, Culture, and Society. An Introduction to Linguistic Anthropology. 3rd ed Salzmann, Zdeněk Boulder 2004
162	Kapitoly ze sociální a pedagogické komunikace Svatoš, Tomáš Hradec Králové 2002
163	Language, Culture, and Society. An Introduction to Linguistic Anthropology. 4th ed Salzmann, Zdeněk Boulder 2007
164	The Origins of Language. What Nonhuman Primates Can Tell Us Ed. by King, Barbara J. Santa Fe 1999
165	Modality and Structure in Signed and Spoken Languages Eds. Meier, Richard P. Cambridge 2002
166	Understanding Deaf Culture. In Search of Deafhood Ladd, Paddy Cleveland 2004
167	Cross-Linguistic Perspectives in Sign Language Research. Selected Papers from TISLR 2000 Editor Baker, Anne Hamburg 2003
168	Discourse in Signed Languages Ed. Roy, C. B. Washington, DC 2011
169	Rétorika a komunikace Žantovská, Irena Praha 2015
170	Linguistics of American Sign Language. An Introduction. 5th ed Valli, Clayton Washington, D. C. 2011