Influenza Epidemic, 1918-1919 3 History 2 Influenza epidemic, 1918-1919--United States--History 2 Medicine 2 World War, 1914-1918--Home front 2 AIDS (Disease) 1 COVID-19 (Disease) 1 more ... Correspondence--United States--1910-1920 1 Gibbon, John H. (John Heysham), 1871-1956 1 Gibbon, John Heysham Jr., 1903-1973 1 Gibbon, John, 1827-1896 1 Influenza 1 Jefferson Medical College--History 1 Masks 1 Medical care 1 Nursing homes 1 Public health 1 Quarantine 1 Restaurants 1 Social distancing (Public health) 1 Social life and customs--20th century 1 Textile industry--Pennsylvania--Philadelphia--20th century 1 Textile workers--Pennsylvania--Philadelphia--20th century 1 United States--History--Civil War, 1861-1865--Correspondence 1 Vaccines 1 Voting 1 Word games 1 World War, 1914-1918--Civilian organizations 1 World War, 1914-1918--Civilian relief--Pennsylvania 1 World War, 1914-1918--Hospitals--France 1 World War, 1914-1918--Participation, American 1 World War, 1914-1918--Personal correspondence 1 World War, 1914-1918--Personal narratives, American 1 World War, 1914-1918--Philadelphia 1 World War, 1914-1918--Social Commentary 1 World War, 1914-1918--Veterans 1 World War, 1914-1918--War work--Great Britain 1 Young, Samuel Baldwin Marks, 1840-1924 1 less ...