HIST 4004/7004: Plagues and Contagion in Pre-Modern Europe: Free Online

Harvard University's online exhibits are a great starting point for research on medieval and early modern responses to epidemic disease.

Contains some links to freely available primary sources

Contains an index to medical articles "from antiquity to the mid-20th century," easily narrowed by time period, as well as online exhibits and an image database. Look under "Search Our Collections."

British medical library's digitized collections include much modern visual material (posters, video) as well as some medieval manuscripts.

Contains a few "rare books" (digitized), a majority of them in French, as well as some documentation of changes in disease classification and nomenclature over the lifespan of this 20th-21st century organization

Sample titles: "Influenza precautions, then and now," "Exploring Chicago's Spanish Flu of 1918," "Surviving and Thriving: AIDS, Politics and Culture," "How to Prevent the Bubonic Plague"