Spanish Flu Face-Masks Backlash: Why Did Many Americans Refuse To Cover Their Faces in 1918? | HistoryExtra
The lessons learned from 1918 flu fatigue, according to historians
Flashback: Spanish Flu Mask | Pfizer
Spit Spreads Death | Mütter Museum
Flu Masks in Indiana during the 1918 Epidemic – Items
Surgical masks as good as respirators for flu and virus protection - CT Plus - UT Southwestern
Be ready for flu season, holiday COVID-19 surge: Face masks, testing kits and more - CBS News
The Flu Pandemic of 1918 | National Archives
In the 1918 flu pandemic, not wearing a mask was illegal in some parts of America. What changed? | CNN
During the 1918 Flu Epidemic, Pet Parents Put Masks on Their Cats - Atlas Obscura
Unprecedented' | State Library of NSW
Photos: How People Tried to Protect Themselves From Flu Pandemics - HISTORY
Our face mask future: Do they really help beat flu, coronavirus and pollution? | Coronavirus | The Guardian
The lessons learned from 1918 flu fatigue, according to historians
The mask wars of the 1918 flu pandemic | Crosscut
Spanish Flu, COVID-19, and the City's Schools | NYU Steinhardt
Best masks, masking methods to protect against Covid, flu, RSV
Flu Masks in Indiana during the 1918 Epidemic – Items
The 1918 Flu, Masks and Lessons for the Coronavirus Pandemic - The New York Times
During the 1918 Pandemic, 'Mask Slackers' Were Labeled as Unpatriotic - HISTORY
Influenza Precautions, Then and Now – Circulating Now from NLM
When Mask-Wearing Rules in the 1918 Pandemic Faced Resistance - HISTORY
The 1918 Flu, Masks and Lessons for the Coronavirus Pandemic - The New York Times
