Columbia subject headings:
Printing--France--History--20th century.
Publishers and publishing--France--History--20th century.
World War, 1939-1945--Underground literature--France.
World War, 1939-1945--Underground movements--France.
World War, 1939-1945--Underground printing plants--France.
Harvard subject headings:
Printing--France--History--20th century.
Publishers and publishing--France--History--20th century
World War, 1939-1945--Press coverage--France.
World War, 1939-1945--Underground literature--France.
World War, 1939-1945--Underground movements--France.
Princeton subject headings:
Printing--France--History--20th century.
Publishers and publishing--France--History--20th century.
World War, 1939-1945--Press coverage--France.
World War, 1939-1945--Underground literature--France.
World War, 1939-1945--Underground movements--France.