FLO4985226: American pennyroyal, Hedeoma pulegioides. Handcoloured lithograph by Hanhart after a botanical illustration by David Blair from Robert Bentley and Henry Trimen's Medicinal Plants, London, 1880. / Bridgeman Images

FLO4986979: Indian liquorice or gunja, Abrus precatorius. Handcoloured lithograph by Hanhart after a botanical illustration by David Blair from Robert Bentley and Henry Trimen's Medicinal Plants, London, 1880. / Bridgeman Images

FLO4995379: Putty, Pistacia lentiscus. Chromolithograph after a botanical illustration from Hermann Adolph Koehler's Medicinal Plants, edited by Gustav Pabst, Koehler, Germany, 1887. / Bridgeman Images

FLO4994834: Stinking chamomile, Anthemis cotula. Chromolithograph after a botanical illustration from Hermann Adolph Koehler's Medicinal Plants, edited by Gustav Pabst, Koehler, Germany, 1887. / Bridgeman Images

FLO4994850: Lesser butterfly-orchid, Platanthera bifolia. Chromolithograph after a botanical illustration by Walther Muller from Hermann Adolph Koehler's Medicinal Plants, edited by Gustav Pabst, Koehler, Germany, 1887. / Bridgeman Images

FLO4990439: Clove, Caryophyllus aromaticus. Chromolithograph after a botanical illustration from Hermann Adolph Koehler's Medicinal Plants, edited by Gustav Pabst, Koehler, Germany, 1887. / Bridgeman Images

FLO4982806: Tasmanian blue gum tree, Eucalyptus globulus. Handcoloured lithograph by Hanhart after a botanical illustration by David Blair from Robert Bentley and Henry Trimen's Medicinal Plants, London, 1880. / Bridgeman Images

FLO4983502: Solenostemma, Solenostemma argel. Handcoloured lithograph by Hanhart after a botanical illustration by David Blair from Robert Bentley and Henry Trimen's Medicinal Plants, London, 1880. / Bridgeman Images

FLO4983511: Apple of Sodom, kapok, mudar or madar, Calotropis procera. Handcoloured lithograph by Hanhart after a botanical illustration by David Blair from Robert Bentley and Henry Trimen's Medicinal Plants, London, 1880. / Bridgeman Images

FLO4983557: Kaladana or picotee morning glory, Ipomoea nil. Handcoloured lithograph by Hanhart after a botanical illustration by David Blair from Robert Bentley and Henry Trimen's Medicinal Plants, London, 1880. / Bridgeman Images

FLO4985579: Red canella or mountain cinnamon, Cinnamodendron corticosum. Handcoloured lithograph by Hanhart after a botanical illustration by David Blair from Robert Bentley and Henry Trimen's Medicinal Plants, London, 1880. / Bridgeman Images

GNG5285372: Children's ward in Phnom Penh cardiac hospital, Phnom Penh, Cambodia / Bridgeman Images

GNG5250162: Brazzaville Hospital Operating theater, Brazzaville, Congo-Brazzaville / Bridgeman Images

GHS318790: Phrenology Head (black and white photograph) / Private Collection / Bridgeman Images

LLJ559492: The City of London Lying-in Hospital (engraving), English School, (19th century) / Private Collection / Bridgeman Images

LLM6006545: A Hoechst (b/w photo), European Photographer, (19th century) / Private Collection / Bridgeman Images

LLM6020700: All Heal, Cuckow Flower, Fig Wort, Mother of Thyme, Devilsbit, Orchis (colour litho), English School, (19th century) / Private Collection / Bridgeman Images

TRK879592: Pharmaceutical porcelain jars. Pharmacy Museum. Turku. Finland. / Bridgeman Images

TRK879587: Pharmaceutical glass containers. 1700. Pharmacy Museum. Turku. Finland. / Bridgeman Images

XRA1676982: Nurses Demonstration Departure From Place De La Bastille October 3, 1991 (b/w photo) / Bridgeman Images

CCI1838079: Ma Kou, a Chinese divinity (engraving) / Bridgeman Images

LLM3097112: Normal female forms (b/w photo), European Photographer, (19th century) / Private Collection / Bridgeman Images

LLM2799359: Diseases of the Eye (colour litho), English School, (19th century) / Private Collection / Bridgeman Images

BAD3436572: Murray's Fluid Magnesia Magazine, advert, UK, 1890s / Bridgeman Images

EVB2936480: Physical therapy patient using finger walker to increase flexibility and range of motion in shoulder. c. 1950 / Bridgeman Images

EVB2936471: Operating room amphitheater of the Massachusetts General Hospital, Boston. A patient is receiving ether anesthesia as doctors and students observe. 1888 / Bridgeman Images

LLM459543: Guillaume Rondelet, Planella Coromina, Josep or Jose (1804-90) / Private Collection / Bridgeman Images

SZT3009728: Monument for Niels R. Finsen in Copenhagen, 1910 (b/w photo) / Bridgeman Images

GNG5257510: France, Val-de-Marne, Villejuif : French N,G,O, Musique et Sante (Music and Health), Music therapy in children's ward / Bridgeman Images

GNG5257529: France, Val-de-Marne, Villejuif : French N,G,O, Musique et Sante (Music and Health), Music therapy in children's ward / Bridgeman Images

LLM5214867: The Baby's Toilet (b/w photo), English Photographer, (20th century) / Private Collection / Bridgeman Images

GNG5250169: Brazzaville Hospital NGO la Chaine de l'Espoir Hospitalization of Children, Brazzaville, Congo-Brazzaville / Bridgeman Images

BAD3453784: Andrews Magazine, advert, UK, 1950s / Bridgeman Images

FLO4985424: Long pepper or pippul, Piper longum. Handcoloured lithograph by Hanhart after a botanical illustration by David Blair from Robert Bentley and Henry Trimen's Medicinal Plants, London, 1880. / Bridgeman Images

FLO4985250: American horsemint or spotted beebalm, Monarda punctata. Handcoloured lithograph by Hanhart after a botanical illustration by David Blair from Robert Bentley and Henry Trimen's Medicinal Plants, London, 1880. / Bridgeman Images

FLO4992763: Black cumin, Nigella sativa, and love-in-a-mist, Nigella damascena. Chromolithograph after a botanical illustration from Hermann Adolph Koehler's Medicinal Plants, edited by Gustav Pabst, Koehler, Germany, 1887. / Bridgeman Images