Henry Ryan botanical lithograph. Rough Sketches from Nature #12 c1860
Henry Ryan botanical lithograph. Rough Sketches from Nature #24 c1860.
Henry Ryan botanical lithograph. Rough Sketches from Nature #14 c1860.
Henry Ryan Nature Sketches lithograph No.19 c1860
The Art of Botanical Illustration. Martyn Rix
Erica Neillii, Neil's Erica. Joseph Paxton Heath lithograph c1842