BibCzechLing: 129 hits for African languages on page 10

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 African languages provides 129 hits
91	Glottochronological classification of Oromo dialects Blažek, Václav, in: Lingua Posnaniensis : Czasopismo poświęcone językoznawstwu porównawczemu i ogólnemu, Poznań, Wyd. Poznańskiego Towarzystwa Przyjaciół Nauk 1949-, 52, č. 2, 2010, s. 27-42
92	Actes du cinquième colloque de linguistique nilo-saharienne. 24-29 août 1992. Université de Nice Sophia-Antipolis Eds. Nicolaï, Robert Köln 1995
93	Areal and genetic factors in language classification and description. Africa South of the Sahara Ed. Zima, Petr München 2000
94	Language and Location in Space and Time Eds. Zima, Petr München 1998
95	Advances in Nilo-Saharan Linguistics. Proceedings of the 8th Nilo-Saharan Linguistics Colloquium Ed. by Payne, Doris L. Köln 2007
96	Dynamics of Systems. Lexical Diffusion, Language Contacts and Creolisation in West Africa Eds. Zima, Petr Praha 2003
97	In and out in Africa. Languages in question. Vol. 2: Language contact and language change in Africa Féral, Carole de Louvain 2014
98	Handbook of the Oromo language Ali, Mohammed; Zaborski, Andrzej Kraków 1990
99	Beiträge zur Sudanforschung 3 Wien-Mödling 1988
100	Francouzština v Africe Kadlec, Jaromír Olomouc 2012