6 books in series

The U.S.A. Trilogy

The U.S.A. Trilogy is a 6-book series with 6 primary works first released in 1930 with contributions by John Dos Passos.

The 42nd Parallel
1919
The Big Money
U.S.A
U.S.A.: The 42nd Parallel / 1919 / The Big Money
U.S.A.