<nowiki>Carl Geyer; Carl Geyer; Carl Geyer; Carl Geyer; Карл Гейер; Carl Geyer; Peter Carl Friedrich Geyer; Carl Geyer; Carl Geyer; Carl Geyer; Peter Carl Friedrich Geyer; Peter Carl Friedrich Geyer; Carl Geyer; Carl Geyer; كارل غيير; Carl Geyer; Carl Geyer; Carl Geyer; Carl Geyer; Carl Geyer; Carl Geyer; Peter Carl Friedrich Geyer; Carl Geyer; Carl Geyer; Carl Geyer; entomologo tedesco (1802–1889); জার্মান পতঙ্গবিশারদ; entomologiste allemand (1802-1889); Saksamaa entomoloog (1802–1889); lepidopterólogu alemán (1802–1889); лепидоптеролог (1802–1889); deutscher Entomologe und Kupferstecher (1802–1889); lepidopterologia e ilustrador científico (1802–1889); German entomologist (1802–1889); German entomologist and scientific illustrator (1802–1889); lepidopterist og videnskabelig illustrator (1802–1889); lepidopterolog (1802–1889); entomolog gjerman (1802–1889); lepidopterologia e ilustrador científico (1802–1889); عالم حشرات ألماني; tysk lepidopterist och vetenskaplig illustratör (1802–1889); אנטומולוג גרמני; lepidopterolog (1802–1889); Duits entomoloog (1802-1889); lepidopterista (1802–1889); entomólogo alemán (1802–1889); feithideolaí Gearmánach (1802–1889); perhostutkija (1802–1889); entomólogo alemán (1802–1889); German entomologist (1802–1889); entomòleg alemany (1802–1889); entomolog german (1802–1889); Peter Carl Friedrich Geyer; Peter Carl Friedrich Geyer; Peter Carl Friedrich Geyer; Peter Carl Friedrich Geyer; Carl M. Geyer; Peter Carl Friedrich Geyer; Peter Carl Friedrich Geyer; Carl Geyer; Peter Carl Friedrich Geyer; Peter Carl Friedrich Geyer; Peter Carl Friedrich Geyer; Carl Geyer; Peter Carl Friedrich Geyer; Peter Carl Friedrich Geyer; Peter Carl Friedrich Geyer; Peter Carl Friedrich Geyer; Peter Carl Friedrich Geyer; Peter Carl Friedrich Geyer; Carl Geyer; Karl Geyer; C. Geyer; P. C. F. Geyer; K. Geyer; Peter Carl Friedrich Geyer; Carl Geyer; Peter Carl Friedrich Geyer; Peter Carl Friedrich Geyer; Carl M. Geyer; Peter Carl Friedrich Geyer</nowiki>
Peter Carl Friedrich Geyer
German entomologist and scientific illustrator (1802–1889)