- Egyptian image of a two-horned ox (Bonomi; Ferroni)
- Egyptian image of a two-horned ox. In Ulisse Aldrovandi, Vlyssis Aldrovandi Patricii Bononiensis Qvadrvpedvm Omniv[m] Bisvlcorv[m] historia ..., Johannes Cornelius Uterverius (compiler), Thomas Dempster (compiler), Bologna: Sebastiano Bonomi (printer), Geronimo Tamburini (publisher), 1621 (Rome, BNCR), p. 242 ◼
- Egyptian image of a two-horned ox. In Ulisse Aldrovandi, Vlyssis Aldrovandi Patricii Bononiensis Qvadrvpedvm Omniv[m] Bisvlcorv[m] Historia ..., Johannes Cornelius Uterverius (compiler), Thomas Dempster (compiler), Bologna: Giovanni Battista Ferroni (printer), Marco Antonio Bernia (publisher), 1641 - 1642 (Augsburg, SSB), p. 242