Unknown Song was created in 1969.
My Song Is Love Unknown was created in 1664.
The Unknown Soldier - song - was created in 1967.
Destination Unknown - song - was created in 1982.
Sender Unknown was created in 2006.
Unknown Territory was created in 1991.
Fear of the Unknown was created in 1981.
To a God Unknown was created in 1933.
Encounter with the Unknown was created in 1973.
Identity Unknown was created in 1945.
A Feast Unknown was created in 1969.
The Unknown Terrorist was created in 2006.
Challengers of the Unknown was created in 1957.