Columbia subject headings:
Harvard subject headings:
Germany--History--1918-1933.
High school students--Health and hygiene--Pomerania (Poland and Germany)--History.
School children--Health and hygiene--Pomerania (Poland and Germany)--History.
School health services--Germany--History.
School health services--Pomerania (Poland and Germany)--History.
School hygiene--Germany--History.
School hygiene--Pomerania (Poland and Germany)--History.
Students--Health and hygiene--Pomerania (Poland and Germany)--History.
Princeton subject headings:
Germany--History--1918-1933.
School children--Health and hygiene--Pomerania (Poland and Germany)--History--20th century.
School hygiene--Pomerania (Poland and Germany)--History--20th century.