- Monogrammist FO (printmaker attr.), Wild Boar (Froschauer 1551). Part of Set of illustrations to Gessner's Historia animalium (Froschauer)
- Monogrammist FO (printmaker attr.), Wild Boar (Aper). In Conrad Gessner, Conradi Gesneri medici Tigurini Historiae Animalium Lib[er] I de Quadrupedibus uiuiparis ..., Zürich: Christoph Froschauer (printer), 1551 (Halle (Saale), ULB), p. 1040 ◼
- Monogrammist FO (printmaker attr.), Wild boar. In Conrad Gessner, Icones Animalivm Qvadrvpedvm Viviparorvm Et Oviparorvm ..., Zürich: Christoph Froschauer (printer), 1560 (Zürich, ETH-Bibliothek), p. 82 ◼
- Monogrammist FO (printmaker attr.), Wild Boar (Aper). In Conrad Gessner, Conradi Gesneri Medici Tigvrini Historiae Animalivm Liber Primvs De quadrupedibus viuiparis... Editio secunda ..., Frankfurt am Main: Robert Cambier (printer), 1602 (Washington, DC, Smithsonian Libraries), p. 918 ◼
- Monogrammist FO (printmaker attr.), Wild boar. In Conrad Gessner, Icones Animalivm Qvadrvpedvm Viviparorvm Et Oviparorvm ..., Heidelberg: Andreas Cambier (printer), Johann Lancelot (printer), 1606 (London, BL), p. 82
- Monogrammist FO (printmaker attr.), Wild Boar (Aper). In Conrad Gessner, Conr. Gesneri Medici Tigvrini Historiae Animalivm Liber Primvs De quadrupedibus viuiparis... Editio secunda ..., Frankfurt am Main: Robert Cambier (printer), 1620 (Poznań, Biblioteka Uniwersytecka), p. 918