Columbia subject headings:
Chŏn'guk Ch'ŏlto Nodong Chohap--Political activity--Comic books, strips, etc.
Comic books, strips, etc.--Korea (South)
Comics (Graphic works)
Railroads--Employees--Labor unions--Korea (South)--History--20th century--Comic books, strips, etc.
Railroads--Employees--Political activity--Korea (South)--Comic books, strips, etc.
Harvard subject headings:
Comics (Graphic works)
Railroads--Employees--Labor unions--Korea (South)--History--Comic books, strips, etc.
Railroads--Employees--Labor unions--Political activity--Korea (South)--History--Comic books, strips, etc.
Railroads--Korea (South)--History--Comic books, strips, etc.
Princeton subject headings: