Epidemics--Yellow Fever--Philadelphia--18th Century 7 Influenza Epidemic 2 Influenza epidemic, 1918-1919--United States--History 2 World War, 1914-1918 2 World War, 1914-1918--Home front 2 Commonplace books 1 Correspondence--United States--1910-1920 1 more ... Dickinson College 1 Drinker Family 1 Education--Medicine and Medical Treatment--18th century 1 Family life--Personal Correspondence--18th century 1 Gibbon, John H. (John Heysham), 1871-1956 1 Gibbon, John Heysham Jr., 1903-1973 1 Gibbon, John, 1827-1896 1 Glassblowers--Pennsylvania--18th century 1 International Slave Trade--19th century 1 Jefferson Medical College--History 1 Medicine--18th century 1 Pennsylvania--Politics and government--18th century 1 Public Health--Census 1 Quakers--Philadelphia--18th century 1 Real Estate--Pennsylvania--18th Century 1 Social life and customs--20th century 1 Textile industry--Pennsylvania--Philadelphia--20th century 1 Textile workers--Pennsylvania--Philadelphia--20th century 1 United States--Foreign Relations--Great Britain 1 United States--History--Civil War, 1861-1865--Correspondence 1 United States--History--Continental Congress 1 Universities and Colleges--Administration 1 Women's History--Philadelphia--18th century 1 World War I. 1 World War, 1914-1918--Casualties and fatalities 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 less ...