Book Johnson, Ryan; Khalid, Amna (2012)
Public Health in the British Empire: Intermediaries, Subordinates, and the Practice of Public Health, 1850--1960. (/isis/citation/CBB001550330/) unapi

Book Khalid, Amna; Johnson, Ryan (2011)
Public Health in the British Empire: Intermediaries, Subordinates, and Public Health Practice, 1850--1960. (/isis/citation/CBB001033381/) unapi

Review Johnson, Ryan (2011)
Review of "Medicine in an Age of Commerce and Empire: Britain and Its Tropical Colonies, 1660--1830". Medical History. (/isis/citation/CBB001230295/) unapi

Article Johnson, Ryan (2010)
“An All-White Institution”: Defending Private Practice and the Formation of the West African Medical Staff. Medical History (p. 237). (/isis/citation/CBB001230189/) unapi

Review Johnson, Ryan (2010)
Review of "The Making of a Tropical Disease: A Short History of Malaria". Annals of Science: The History of Science and Technology. (/isis/citation/CBB000953446/) unapi

Article Johnson, Ryan (2009)
European Cloth and “Tropical” Skin: Clothing Material and British Ideas of Health and Hygiene in Tropical Climates. Bulletin of the History of Medicine (p. 530). (/isis/citation/CBB000932563/) unapi

Article Johnson, Ryan (2008)
Tabloid Brand Medicine Chests: Selling Health and Hygiene for the British Tropical Colonies. Science as Culture (p. 249). (/isis/citation/CBB000932288/) unapi

Book Cohen, William A.; Johnson, Ryan (2005)
Filth: Dirt, Disgust, and Modern Life. (/isis/citation/CBB000830265/) unapi