Liberman, Anatoly. 2017. „On Boasting, Fear, Shouting, and Poetry. Engl. Brag, Engl. Brawl, OE brōga, and OI Bragr Bragi . 369”. W Essays in the History of Languages and Linguistics: Dedicated to Marek Stachowski on the Occasion of His 60th Birthday, zredagowane przez Michał Németh, Barbara Podolak, Mateusz Urban, i Dariusz R. Piwowarczyk. Poland: Wydawnictwo Księgarnia Akademicka. https://doi.org/10.12797/9788376388618.21.