Biographical Memoirs of Fellows of the Royal Society. 17: 688–712. doi:10.1098/rsbm.1971.0028. ↑ International Plant Names Index. Turrill. ↑ "Chrono-Biographical Sketch: William Bertram Turrill". ↑ "Chrono-Biographical Sketch: William Bertram Turrill". ↑ "Library and Archive Catalogue".