I'm not sure Kramer vs. Kramer belongs, unless you're just including all the Best Picture winners for reference. In the Heat of the Night definitely belongs, in my opinion, especially if you're reading Scenes from a Revolution. You might even want to give Dr. Doolittle a look, in that regard.
Films I've Seen and Recommend
Buffalo Bill and the Indians, or Sitting Bull's History Lesson
Hi, Mom! (instead of Sisters, for my money)
In Cold Blood
Film I Haven't Seen
Invasion of the Body Snatchers
A New Leaf
One from the Heart
Other people like Point Blank more than I do.