Columbia subject headings:
Harvard subject headings:
Marshals--Poland--Biography.
Poland--History--1918-1945
Poland. Armia--Biography.
Rydz-Śmigły, Edward, 1886-1941--Chronology.
Rydz-Śmigły, Edward, 1886-1941.
Princeton subject headings:
Marshals--Poland--Biography.
Poland--History--1918-1945.
Poland. Armia--Biography.
Rydz-Śmigły, Edward, 1886-1941.