Columbia subject headings:
Civil law--Germany--Codification.
Civil law--Switzerland--Codification.
Gierke, Otto von, 1841-1921.
Social legislation--Germany.
Harvard subject headings:
Civil law--Germany--Codification.
Civil law--Switzerland--Codification.
Gierke, Otto Friedrich von, 1841-1921.
Social legislation--Germany
Princeton subject headings: