Zemanek, A., B. Zemanek, T. Głuszak, and M. Nobis. “Józef Warszewicz (1812–1866) and Taxonomical History of Warszewiczia Coccinea (Vahl) Klotzsch”. Studia Historiae Scientiarum, vol. 20, Sept. 2021, pp. 601-25, doi:10.4467/2543702XSHS.21.017.14048.