Columbia subject headings:
Harvard subject headings:
COVID-19 Pandemic, 2020---China--Wuhan.
COVID-19 Pandemic, 2020---Germany--Fiction.
Epidemics--History
Influenza Epidemic, 1918-1919--History.
Princeton subject headings:
COVID-19 Pandemic, 2020-
COVID-19 Pandemic, 2020---China--Wuhan.
COVID-19 Pandemic, 2020---Germany--Fiction.
Epidemics--History.
Influenza Epidemic, 1918-1919--History.