101 Greatest Screenplays compiles the finest achievements in film writing, as voted upon by professional film and television writers.
In the summer of 2005, ballots were sent out asking WGA members to list up to ten of their favorite produced screenplays. Any film, past or present, English-language or otherwise, was eligible. The resulting list is like a travelogue of the greatest films of the century, with all decades from the 1930s on represented among the rankings.
Here’s the full list