Comedies

Since comedy exists in many forms like the slapstick comedies, black comedies and others, I would split them up into those sections.

ROMANTIC COMEDIES

Adam's Rib
Arsenic and Old Lace
The Apartment
Ball of Fire
Barefoot in the Park
Breakfast at Tiffany's
Bringing Up Baby
Charade
His Girl Friday
Meet John Doe
Sullivan's Travels 
The Trouble with Harry

SILENT COMEDIES

City Lights
The General
The Gold Rush

OTHER COMEDIES

Dr. Strangelove
Duck Soup
Harvey