diff --git a/codelists/british-islands.csv b/codelists/british-islands.csv
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+++ b/codelists/british-islands.csv
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+Label,Notation,Parent Notation,Sort Priority,Description
+British Islands,Q256091,,,"legal term in the UK referring to the United Kingdom (UKGBNI), the Bailiwicks of Jersey and Guernsey, and the Isle of Man"
+United Kingdom,Q145,Q256091,,"constitutional monarchy in Western Europe; formed in 1927"
+Northern Ireland,Q26,Q145,,"region in north-west Europe, part of the United Kingdom"
+Great Britain,Q23666,Q145,,island in the North Atlantic off the north-west coast of continental Europe
+Scotland,Q22,Q23666,,"country in Northwest Europe, part of the United Kingdom"
+Wales,Q25,Q23666,,"country in Northwest Europe, part of the United Kingdom"
+England,Q21,Q23666,,"country in north-west Europe, part of the United Kingdom"
+Isle of Man,Q9676,Q256091,,British Crown dependency
+Guernsey,Q25230,Q256091,,British Crown dependency comprised of several islands
+Jersey,Q785,Q256091,,British Crown Dependency in the Channel Islands
diff --git a/codelists/british-isles.csv b/codelists/british-isles.csv
new file mode 100644
index 0000000..7eedcc7
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+++ b/codelists/british-isles.csv
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+Label,Notation,Parent Notation,Sort Priority,Description
+British Isles,Q38272,,,group of islands in northwesst Europe
+Ireland,Q22890,Q38272,,"island in north-west Europe, politically divided into the Republic of Ireland and Northern Ireland"
+Ireland,Q27,Q22890,,republic covering major parts of the island of Ireland
+Northern Ireland,Q26,Q22890,,"region in north-west Europe, part of the United Kingdom"
+Great Britain,Q23666,Q38272,,island in the North Atlantic off the north-west coast of continental Europe
+Scotland,Q22,Q23666,,"country in Northwest Europe, part of the United Kingdom"
+Wales,Q25,Q23666,,"country in Northwest Europe, part of the United Kingdom"
+England,Q21,Q23666,,"country in north-west Europe, part of the United Kingdom"
+Isle of Man,Q9676,Q38272,,British Crown dependency
+Guernsey,Q25230,Q38272,,British Crown dependency comprised of several islands
+Jersey,Q785,Q38272,,British Crown Dependency in the Channel Islands