diff --git a/mappings/recap-discovery/field-mapping-bib.json b/mappings/recap-discovery/field-mapping-bib.json
index 91ec34a..6eca4aa 100644
--- a/mappings/recap-discovery/field-mapping-bib.json
+++ b/mappings/recap-discovery/field-mapping-bib.json
@@ -268,7 +268,54 @@
     "jsonLdKey": "identifier",
     "paths": [
       {
-        "notes": "There are many mapped identifiers"
+        "notes": "Other Standard Identifier (LCCN?) (Canceled)",
+        "marc": "024",
+        "subfields": [ "z" ]
+      },
+      {
+        "notes": "Report No.",
+        "marc": "027",
+        "subfields": [ "a" ]
+      },
+      {
+        "notes": "Report No. (Canceled)",
+        "marc": "027",
+        "subfields": [ "z" ]
+      },
+      {
+        "notes": "Publisher No.",
+        "marc": "028",
+        "subfields": [ "a", "b" ]
+      },
+      {
+        "notes": "System Control Number",
+        "marc": "035",
+        "subfields": [ "a" ]
+      },
+      {
+        "notes": "System Control Number (Canceled)",
+        "marc": "035",
+        "subfields": [ "z" ]
+      },
+      {
+        "marc": "086",
+        "notes": "Government Document Classification Number",
+        "subfields": [ "a" ]
+      },
+      {
+        "marc": "086",
+        "notes": "Government Document Classification Number (Canceled)",
+        "subfields": [ "z" ]
+      },
+      {
+        "marc": "074",
+        "notes": "GPO Item Number",
+        "subfields": [ "a" ]
+      },
+      {
+        "marc": "074",
+        "notes": "GPO Item Number (Canceled)",
+        "subfields": [ "z" ]
       }
     ]
   },
@@ -282,6 +329,16 @@
       }
     ]
   },
+  "ISBN (Canceled/Invalid)": {
+    "pred": "dcterms:identifier",
+    "jsonLdKey": "identifier",
+    "paths": [
+      {
+        "marc": "020",
+        "subfields": [ "z" ]
+      }
+    ]
+  },
   "ISSN": {
     "pred": "dcterms:identifier",
     "jsonLdKey": "identifier",
@@ -294,6 +351,26 @@
       }
     ]
   },
+  "ISSN (Canceled)": {
+    "pred": "dcterms:identifier",
+    "jsonLdKey": "identifier",
+    "paths": [
+      {
+        "marc": "022",
+        "subfields": [ "z" ]
+      }
+    ]
+  },
+  "ISSN (Incorrect)": {
+    "pred": "dcterms:identifier",
+    "jsonLdKey": "identifier",
+    "paths": [
+      {
+        "marc": "022",
+        "subfields": [ "y" ]
+      }
+    ]
+  },
   "Issuance": {
     "pred": "bf:issuance",
     "jsonLdKey": "issuance",
@@ -347,6 +424,10 @@
       {
         "marc": "010",
         "subfields": [ "a" ]
+      },
+      {
+        "marc": "024",
+        "subfields": [ "a" ]
       }
     ]
   },