The Third Course was created in 1994.
The Clue in the Embers was created in 1955.
The Third Policeman was created in 1967.
The Third Twin was created in 1996.
Third Productions was created in 2009.
The Third Alibi was created in 1961.
Third Wire was created in 1999.
Third Wish was created in 2005.
Third Ways was created in 2007.
Third Text was created in 1987.
Third Star was created in 2010.
Third Convention was created in 1936.
The Third Chimpanzee was created in 1992.