BLAŽEK, Václav. A lexicostatistical comparison of Omotic languages. In In Hot Pursuit of Language in Prehistory. Essays in the four fields of anthropology, edited by John D. Bengtson. Amsterdam - Philadelphia: Benjamins, 2008, s. 57-148, 91 s. ISBN 90-272-3252-0.
BLAŽEK, Václav. Cushitic and Omotic strata in Ongota, a moribund language of uncertain affiliation from Southeast Ethiopia. Archiv orientální. 2005, roč. 73, č. 1, s. 43-68. ISSN 0044-8699.
BLAŽEK, Václav. Honey in Cushitic and Omotic Languagues. Afrikanistische Arbeitspapiere. Köln: Institut für Afrikanistik, 1991, roč. 26, č. 1, s. 37-66. ISSN 0178-725X.