Conversation so far:
What happened in the early years?
Rockwell transferred from high school to the Chase Art School at the age of 14.
Did he go to college?
He then went on to the National Academy of Design and finally to the Art Students League.
When did he start painting?
His first major breakthrough came at age 18 with his first book illustration for Carl H.
Claudy's Tell Me Why: Stories about Mother Nature.

Question: What other paintings is he famous for in his early years?
Self-contained rewrite: In addition to Stories about Mother Nature, what other paintings was Norman Rockwell famous for in his early years?