RM2M97N2H–Aspidium filix mas or Male Shield fern. Handcoloured engraving from William Curtis, Flora Londiniensis; containing a history of the plants indigenous to Great Britain. Edited by George Graves and William Jackson Hooker (vol. 1).
RMMR4TJ2–Engraving depicting a leaf from a male fern (Dryopteris filix-mas), a common fern of the temperate Northern Hemisphere, native to much of Europe, Asia, and North America. Dated 19th century
RMA7WAWP–botany, Lady Fern (Athyrium filix-femina), leaves, selfprint by nature, 'Die Entdeckung des Naturselbstdruckes', von Aloys Auer, Vienna, 1854, Gutenberg Museum Mainz, ,