diff --git a/bookwyrm/activitypub/book.py b/bookwyrm/activitypub/book.py
index 745aa3aab..d3aca4471 100644
--- a/bookwyrm/activitypub/book.py
+++ b/bookwyrm/activitypub/book.py
@@ -92,3 +92,4 @@ class Author(BookData):
     bio: str = ""
     wikipediaLink: str = ""
     type: str = "Author"
+    website: str = ""
diff --git a/bookwyrm/forms/author.py b/bookwyrm/forms/author.py
index a7811180f..37dba629f 100644
--- a/bookwyrm/forms/author.py
+++ b/bookwyrm/forms/author.py
@@ -15,6 +15,7 @@ class AuthorForm(CustomForm):
             "aliases",
             "bio",
             "wikipedia_link",
+            "website",
             "born",
             "died",
             "openlibrary_key",
@@ -31,6 +32,7 @@ class AuthorForm(CustomForm):
             "wikipedia_link": forms.TextInput(
                 attrs={"aria-describedby": "desc_wikipedia_link"}
             ),
+            "website": forms.TextInput(attrs={"aria-describedby": "desc_website"}),
             "born": forms.SelectDateWidget(attrs={"aria-describedby": "desc_born"}),
             "died": forms.SelectDateWidget(attrs={"aria-describedby": "desc_died"}),
             "oepnlibrary_key": forms.TextInput(
diff --git a/bookwyrm/migrations/0173_auto_20221228_1436.py b/bookwyrm/migrations/0173_auto_20221228_1436.py
new file mode 100644
index 000000000..1f6e1d87e
--- /dev/null
+++ b/bookwyrm/migrations/0173_auto_20221228_1436.py
@@ -0,0 +1,33 @@
+# Generated by Django 3.2.16 on 2022-12-28 14:36
+
+import bookwyrm.models.fields
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("bookwyrm", "0172_alter_user_preferred_language"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="author",
+            name="website",
+            field=bookwyrm.models.fields.CharField(
+                blank=True, max_length=255, null=True
+            ),
+        ),
+        migrations.AlterField(
+            model_name="author",
+            name="isfdb",
+            field=bookwyrm.models.fields.CharField(blank=True, max_length=6, null=True),
+        ),
+        migrations.AlterField(
+            model_name="author",
+            name="isni",
+            field=bookwyrm.models.fields.CharField(
+                blank=True, max_length=19, null=True
+            ),
+        ),
+    ]
diff --git a/bookwyrm/models/author.py b/bookwyrm/models/author.py
index b1d0510c9..78381a65e 100644
--- a/bookwyrm/models/author.py
+++ b/bookwyrm/models/author.py
@@ -17,12 +17,15 @@ class Author(BookDataModel):
         max_length=255, blank=True, null=True, deduplication_field=True
     )
     isni = fields.CharField(
-        max_length=255, blank=True, null=True, deduplication_field=True
+        max_length=19, blank=True, null=True, deduplication_field=True
     )
     gutenberg_id = fields.CharField(
         max_length=255, blank=True, null=True, deduplication_field=True
     )
     isfdb = fields.CharField(
+        max_length=6, blank=True, null=True, deduplication_field=True
+    )
+    website = fields.CharField(
         max_length=255, blank=True, null=True, deduplication_field=True
     )
     # idk probably other keys would be useful here?
diff --git a/bookwyrm/models/book.py b/bookwyrm/models/book.py
index a5be51a29..c44d47dd9 100644
--- a/bookwyrm/models/book.py
+++ b/bookwyrm/models/book.py
@@ -58,7 +58,7 @@ class BookDataModel(ObjectMixin, BookWyrmModel):
         max_length=255, blank=True, null=True, deduplication_field=True
     )
     isfdb = fields.CharField(
-        max_length=255, blank=True, null=True, deduplication_field=True
+        max_length=6, blank=True, null=True, deduplication_field=True
     )
     search_vector = SearchVectorField(null=True)
 
diff --git a/bookwyrm/templates/author/author.html b/bookwyrm/templates/author/author.html
index ade654568..62947eec0 100644
--- a/bookwyrm/templates/author/author.html
+++ b/bookwyrm/templates/author/author.html
@@ -28,7 +28,7 @@
     <meta itemprop="name" content="{{ author.name }}">
 
     {% firstof author.aliases author.born author.died as details %}
-    {% firstof author.wikipedia_link author.openlibrary_key author.inventaire_id author.isni author.isfdb as links %}
+    {% firstof author.wikipedia_link author.website author.openlibrary_key author.inventaire_id author.isni author.isfdb as links %}
     {% if details or links %}
     <div class="column is-3">
         {% if details %}
@@ -73,6 +73,14 @@
                 </div>
                 {% endif %}
 
+                {% if author.website %}
+                <div>
+                    <a itemprop="sameAs" href="{{ author.website }}" rel="nofollow noopener noreferrer" target="_blank">
+                        {% trans "Website" %}
+                    </a>
+                </div>
+                {% endif %}
+
                 {% if author.isni %}
                 <div class="mt-1">
                     <a itemprop="sameAs" href="{{ author.isni_link }}" rel="nofollow noopener noreferrer" target="_blank">
diff --git a/bookwyrm/templates/author/edit_author.html b/bookwyrm/templates/author/edit_author.html
index 1916df6be..9ea932bf6 100644
--- a/bookwyrm/templates/author/edit_author.html
+++ b/bookwyrm/templates/author/edit_author.html
@@ -57,6 +57,10 @@
 
             {% include 'snippets/form_errors.html' with errors_list=form.wikipedia_link.errors id="desc_wikipedia_link" %}
 
+            <p class="field"><label class="label" for="id_website">{% trans "Website:" %}</label> {{ form.website }}</p>
+
+            {% include 'snippets/form_errors.html' with errors_list=form.website.errors id="desc_website" %}
+
             <div class="field">
                 <label class="label" for="id_born">{% trans "Birth date:" %}</label>
                 <input type="date" name="born" value="{{ form.born.value|date:'Y-m-d' }}" class="input" id="id_born">