Batman and Superman are both introduced in 1938.
F. Scott Fitzgerald
Ernest Hemingway
John Dos Passos
Thornton Wilder
John Steinbeck
James T. Farrel
Richard Wright
Wallace Stevens
Erskine Caldwell
Carl Sandburg
"The Grapes of Wrath"
"Native Son"
"Tobacco Road"
"Dr. Seuss"
"The Man with the Blue Guitar"-collection of poetry
F. Scott Fitzgerald
Ernest Hemingway
John Dos Passos
Thornton Wilder
John Steinbeck
James T. Farrel
Richard Wright
Wallace Stevens
Erskine Caldwell
Carl Sandburg
"The Grapes of Wrath"
"Native Son"
"Tobacco Road"
"Dr. Seuss"
"The Man with the Blue Guitar"-collection of poetry