Columbia subject headings:
Afghan War, 2001-2021--Campaigns.
Afghan War, 2001-2021--Participation, Australian.
Afghan War, 2001-2021--Participation, Canadian.
Afghan War, 2001-2021--Participation, Foreign.
Operation Enduring Freedom, 2001-
Harvard subject headings:
Afghan War, 2001-2021--Campaigns
Afghan War, 2001-2021--Participation, Australian.
Afghan War, 2001-2021--Participation, Canadian.
Afghan War, 2001-2021--Participation, Foreign.
Operation Enduring Freedom, 2001-
Princeton subject headings:
Afghan War, 2001-2021--Campaigns.
Afghan War, 2001-2021--Participation, Australian.
Afghan War, 2001-2021--Participation, Canadian.
Afghan War, 2001-2021--Participation, Foreign.
Operation Enduring Freedom, 2001-