diff --git a/assets/enums/c14_calibrated_range_suffix.json b/assets/enums/c14_calibrated_range_suffix.json
new file mode 100644
index 000000000..ad46be44b
--- /dev/null
+++ b/assets/enums/c14_calibrated_range_suffix.json
@@ -0,0 +1,10 @@
+{
+    "enum": [
+        "cal AD", 
+        "cal BC", 
+        "cal CE", 
+        "cal BCE", 
+        "cal BP", 
+        "NA"
+    ]
+}
\ No newline at end of file
diff --git a/assets/enums/c14_calibration_curve.json b/assets/enums/c14_calibration_curve.json
new file mode 100644
index 000000000..e2946c794
--- /dev/null
+++ b/assets/enums/c14_calibration_curve.json
@@ -0,0 +1,10 @@
+{
+    "enum": [
+        "IntCal20", 
+        "CalPal2007_HULU", 
+        "SHCal20", 
+        "Marine20", 
+        "NR", 
+        "NA"
+    ]
+}
\ No newline at end of file
diff --git a/assets/enums/c14_calibration_software.json b/assets/enums/c14_calibration_software.json
new file mode 100644
index 000000000..7a71f08fa
--- /dev/null
+++ b/assets/enums/c14_calibration_software.json
@@ -0,0 +1,8 @@
+{
+  "enum": [
+    "OxCal",
+    "CalPal",
+    "NR",
+    "NA"
+  ]
+}
diff --git a/assets/enums/c14_reservoir_offset_type.json b/assets/enums/c14_reservoir_offset_type.json
new file mode 100644
index 000000000..ee6e92cd6
--- /dev/null
+++ b/assets/enums/c14_reservoir_offset_type.json
@@ -0,0 +1,8 @@
+{
+    "enum":[
+        "MARINE", 
+        "FRESHWATER", 
+        "NR", 
+        "NA"
+    ]
+}
\ No newline at end of file
diff --git a/assets/enums/c14_spectometry_type.json b/assets/enums/c14_spectometry_type.json
new file mode 100644
index 000000000..5b1affbe1
--- /dev/null
+++ b/assets/enums/c14_spectometry_type.json
@@ -0,0 +1,8 @@
+{
+    "enum": [
+        "AMS", 
+        "IMRS", 
+        "NA", 
+        "NR"
+    ]
+}
\ No newline at end of file