diff --git a/bookwyrm/activitypub/book.py b/bookwyrm/activitypub/book.py
index 2238e3a87..7401a1346 100644
--- a/bookwyrm/activitypub/book.py
+++ b/bookwyrm/activitypub/book.py
@@ -16,6 +16,7 @@ class BookData(ActivityObject):
     librarythingKey: str = None
     goodreadsKey: str = None
     bnfId: str = None
+    viaf: str = None
     lastEditedBy: str = None
     links: List[str] = field(default_factory=lambda: [])
     fileLinks: List[str] = field(default_factory=lambda: [])
diff --git a/bookwyrm/migrations/0132_auto_20220130_1938.py b/bookwyrm/migrations/0132_auto_20220130_1938.py
new file mode 100644
index 000000000..a83ac2909
--- /dev/null
+++ b/bookwyrm/migrations/0132_auto_20220130_1938.py
@@ -0,0 +1,42 @@
+# Generated by Django 3.2.10 on 2022-01-30 19:38
+
+import bookwyrm.models.fields
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("bookwyrm", "0131_merge_20220125_1644"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="author",
+            name="viaf",
+            field=bookwyrm.models.fields.CharField(
+                blank=True, max_length=255, null=True
+            ),
+        ),
+        migrations.AddField(
+            model_name="author",
+            name="wikidata",
+            field=bookwyrm.models.fields.CharField(
+                blank=True, max_length=255, null=True
+            ),
+        ),
+        migrations.AddField(
+            model_name="book",
+            name="viaf",
+            field=bookwyrm.models.fields.CharField(
+                blank=True, max_length=255, null=True
+            ),
+        ),
+        migrations.AddField(
+            model_name="book",
+            name="wikidata",
+            field=bookwyrm.models.fields.CharField(
+                blank=True, max_length=255, null=True
+            ),
+        ),
+    ]
diff --git a/bookwyrm/models/book.py b/bookwyrm/models/book.py
index ffc03d3e6..c796b7d24 100644
--- a/bookwyrm/models/book.py
+++ b/bookwyrm/models/book.py
@@ -46,6 +46,12 @@ class BookDataModel(ObjectMixin, BookWyrmModel):
     bnf_id = fields.CharField(  # Bibliothèque nationale de France
         max_length=255, blank=True, null=True, deduplication_field=True
     )
+    viaf = fields.CharField(
+        max_length=255, blank=True, null=True, deduplication_field=True
+    )
+    wikidata = fields.CharField(
+        max_length=255, blank=True, null=True, deduplication_field=True
+    )
     search_vector = SearchVectorField(null=True)
 
     last_edited_by = fields.ForeignKey(