1 Subjects: “...History / Historical Periods / Contemporary History...”

2 Subjects: “...postwar period...”

3 Subjects: “...c 1914 to c 1918 (World War One period) / bicssc...”

4 Subjects: “...thema EDItEUR::3 Time period qualifiers::3M c 1500 onwards to present day...”

5 Subjects: “...ramp period...”