Viola tricolor (Viola) on the Victoria and Albert Museum, Princess Charlotte Marriage Commemorative Panel, c. 1816.
Viola tricolor (Viola) growing in a modern garden.
Viola tricolor (Viola) from Zorn, J., Oskamp, D.L., Afbeeldingen der artseny-gewassen met derzelver Nederduitsche en Latynsche beschryvingen, vol. 4: t. 373, 1800