Columbia subject headings:
Harvard subject headings:
Conscientious objectors--United States--Biography.
Mitchell, Hobart, 1908-
United States--History--1933-1945.
World War, 1939-1945--Conscientious objectors--United States.
World War, 1939-1945--Personal narratives, American.
Princeton subject headings:
Conscientious objectors--United States--Biography.
Mitchell, Hobart, 1908-
United States--History--1933-1945.
World War, 1939-1945--Conscientious objectors--United States.
World War, 1939-1945--Personal narratives, American.