- Ludwig Frig (Monogrammist LF) (printmaker attr.), Rudolf Herrliberger (printmaker attr.), Elephant (Froschauer 1551). Part of Set of illustrations to Gessner's Historia animalium (Froschauer)
- Ludwig Frig (Monogrammist LF) (printmaker attr.), Rudolf Herrliberger (printmaker attr.), Elephant. In Conrad Gessner, Conradi Gesneri medici Tigurini Historiae Animalium Lib[er] I de Quadrupedibus uiuiparis ..., Zürich: Christoph Froschauer (printer), 1551 (Halle (Saale), ULB), p. 410 ◼
- Ludwig Frig (Monogrammist LF) (printmaker attr.), Rudolf Herrliberger (printmaker attr.), Elephant. In Conrad Gessner, Icones Animalivm Qvadrvpedvm Viviparorvm Et Oviparorvm ..., Zürich: Christoph Froschauer (printer), 1560 (Zürich, ETH-Bibliothek), p. 61 ◼
- Ludwig Frig (Monogrammist LF) (printmaker attr.), Rudolf Herrliberger (printmaker attr.), Elephant. In Conrad Gessner, Thierbüch: Das ist ein kurtze bschreybung aller vierfüssigen Thieren ..., Conrad Forer (translator), Zürich: Christoph Froschauer (printer), 1563 (Zürich, ZB), fol. LXXIVv ◼
- Ludwig Frig (Monogrammist LF) (printmaker attr.), Rudolf Herrliberger (printmaker attr.), Elephant. 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. 377 ◼
- Ludwig Frig (Monogrammist LF) (printmaker attr.), Rudolf Herrliberger (printmaker attr.), Elephant. In Conrad Gessner, Icones Animalivm Qvadrvpedvm Viviparorvm Et Oviparorvm ..., Heidelberg: Andreas Cambier (printer), Johann Lancelot (printer), 1606 (London, BL), p. 61
- Ludwig Frig (Monogrammist LF) (printmaker attr.), Rudolf Herrliberger (printmaker attr.), Elephant. 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. 377