Columbia subject headings:
COVID-19 (Disease)--Social aspects--Portugal--Lisbon--Pictorial works.
COVID-19 Pandemic, 2020---Portugal--Lisbon--Pictorial works.
Documentary photography--Portugal--Lisbon.
Lisbon (Portugal)--Pictorial works.
Quarantine--Portugal--Lisbon--Pictorial works.
Harvard subject headings:
COVID-19 Pandemic, 2020---Portugal--Lisbon.
Documentary photography--Portugal--Lisbon.
Quarantine--Social aspects--Portugal--Lisbon.
Princeton subject headings:
COVID-19 (Disease)--Social aspects--Portugal--Lisbon--Pictorial works.
COVID-19 Pandemic, 2020---Portugal--Lisbon--Pictorial works.
Documentary photography--Portugal--Lisbon.
Lisbon (Portugal)--Pictorial works.
Quarantine--Portugal--Lisbon--Pictorial works.