My Hats Collection was created in 2006.
Collection - Men Without Hats album - was created in 1996.
A collection of hats is often referred to as a "millinery." This term specifically pertains to women's hats and the art of hat-making. In a broader sense, it can also simply be called a "hat collection."
Party Hats was created in 2007.
Greatest Hats was created in 1997.
Witch Hats was created in 2004.
Smithbilt Hats was created in 1919.
Live Hats was created in 2006.
Blue Hats was created in 1997.
Men Without Hats was created in 1980.
Tin Hats was created on 1926-11-28.
Hard Hats was created on 1994-08-18.
Hats Off Productions was created in 2003.