diff --git a/apis_core/urls.py b/apis_core/urls.py
index 67b4fe1d8..914caa1b5 100644
--- a/apis_core/urls.py
+++ b/apis_core/urls.py
@@ -88,4 +88,5 @@
     ),
     path("api/dumpdata", Dumpdata.as_view()),
     path("", include("apis_core.generic.urls", namespace="generic")),
+    path("vocabs/", include("apis_core.vocabs.urls")),
 ]
diff --git a/apis_core/vocabs/apps.py b/apis_core/vocabs/apps.py
new file mode 100644
index 000000000..9e13c3424
--- /dev/null
+++ b/apis_core/vocabs/apps.py
@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class VocabsConfig(AppConfig):
+    default_auto_field = "django.db.models.AutoField"
+    name = "apis_core.vocabs"
diff --git a/apis_core/vocabs/migrations/0001_initial.py b/apis_core/vocabs/migrations/0001_initial.py
new file mode 100644
index 000000000..8cbfef7a6
--- /dev/null
+++ b/apis_core/vocabs/migrations/0001_initial.py
@@ -0,0 +1,101 @@
+# Generated by Django 4.2.8 on 2023-12-21 11:54
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ("contenttypes", "0002_remove_content_type_name"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="SkosCollection",
+            fields=[
+                (
+                    "id",
+                    models.AutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                (
+                    "name",
+                    models.CharField(
+                        help_text="Collection label or name",
+                        max_length=300,
+                        verbose_name="skos:prefLabel",
+                    ),
+                ),
+                (
+                    "label_lang",
+                    models.CharField(
+                        blank=True,
+                        default="en",
+                        help_text="Language of preferred label given above",
+                        max_length=3,
+                        verbose_name="skos:prefLabel language",
+                    ),
+                ),
+                (
+                    "creator",
+                    models.TextField(
+                        blank=True,
+                        help_text="Person or organisation that created this collectionIf more than one list all using a semicolon ;",
+                        verbose_name="dc:creator",
+                    ),
+                ),
+                (
+                    "contributor",
+                    models.TextField(
+                        blank=True,
+                        help_text="Person or organisation that made contributions to the collectionIf more than one list all using a semicolon ;",
+                        verbose_name="dc:contributor",
+                    ),
+                ),
+                (
+                    "parent",
+                    models.ForeignKey(
+                        null=True,
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to="vocabs.skoscollection",
+                    ),
+                ),
+            ],
+        ),
+        migrations.CreateModel(
+            name="SkosCollectionContentObject",
+            fields=[
+                (
+                    "id",
+                    models.AutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("object_id", models.PositiveIntegerField()),
+                (
+                    "collection",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to="vocabs.skoscollection",
+                    ),
+                ),
+                (
+                    "content_type",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to="contenttypes.contenttype",
+                    ),
+                ),
+            ],
+        ),
+    ]
diff --git a/apis_core/vocabs/migrations/0002_alter_skoscollection_parent.py b/apis_core/vocabs/migrations/0002_alter_skoscollection_parent.py
new file mode 100644
index 000000000..fbecc1204
--- /dev/null
+++ b/apis_core/vocabs/migrations/0002_alter_skoscollection_parent.py
@@ -0,0 +1,19 @@
+# Generated by Django 4.2.8 on 2024-01-15 17:20
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('vocabs', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='skoscollection',
+            name='parent',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='vocabs.skoscollection'),
+        ),
+    ]
diff --git a/apis_core/vocabs/migrations/__init__.py b/apis_core/vocabs/migrations/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/apis_core/vocabs/models.py b/apis_core/vocabs/models.py
new file mode 100644
index 000000000..9efb82ab2
--- /dev/null
+++ b/apis_core/vocabs/models.py
@@ -0,0 +1,56 @@
+from django.contrib.contenttypes.fields import GenericForeignKey
+from django.contrib.contenttypes.models import ContentType
+from django.db import models
+
+
+class SkosCollection(models.Model):
+    """
+    SKOS collections are labeled and/or ordered groups of SKOS concepts.
+    Collections are useful where a group of concepts shares something in common,
+    and it is convenient to group them under a common label, or
+    where some concepts can be placed in a meaningful order.
+
+    Miles, Alistair, and Sean Bechhofer. "SKOS simple knowledge
+    organization system reference. W3C recommendation (2009)."
+
+    """
+
+    parent = models.ForeignKey("self", null=True, on_delete=models.CASCADE, blank=True)
+    name = models.CharField(
+        max_length=300,
+        verbose_name="skos:prefLabel",
+        help_text="Collection label or name",
+    )
+    label_lang = models.CharField(
+        max_length=3,
+        blank=True,
+        default="en",
+        verbose_name="skos:prefLabel language",
+        help_text="Language of preferred label given above",
+    )
+    creator = models.TextField(
+        blank=True,
+        verbose_name="dc:creator",
+        help_text="Person or organisation that created this collection"
+        "If more than one list all using a semicolon ;",
+    )
+    contributor = models.TextField(
+        blank=True,
+        verbose_name="dc:contributor",
+        help_text="Person or organisation that made contributions to the collection"
+        "If more than one list all using a semicolon ;",
+    )
+
+    def __str__(self):
+        return self.name
+
+
+class SkosCollectionContentObject(models.Model):
+    collection = models.ForeignKey(SkosCollection, on_delete=models.CASCADE)
+
+    content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
+    object_id = models.PositiveIntegerField()
+    content_object = GenericForeignKey("content_type", "object_id")
+
+    def __str__(self):
+        return f"{self.content_object} -> {self.collection}"
diff --git a/apis_core/vocabs/templates/vocabs/toggle_skoscollection.html b/apis_core/vocabs/templates/vocabs/toggle_skoscollection.html
new file mode 100644
index 000000000..3940eb00b
--- /dev/null
+++ b/apis_core/vocabs/templates/vocabs/toggle_skoscollection.html
@@ -0,0 +1,6 @@
+<a href="{% url "apis_core:togglecollectionobject" content_type_id object_id collection.id %}?to={{ request.get_full_path }}"
+   hx-get="{% url "apis_core:togglecollectionobject" content_type_id object_id collection.id %}"
+   hx-swap="outerHTML"
+   class="btn btn-sm {% if exists %}btn-success{% else %}btn-outline-secondary{% endif %}">
+  {{ collection.name }}
+</a>
diff --git a/apis_core/vocabs/templates/vocabs/toggle_skoscollection_children.html b/apis_core/vocabs/templates/vocabs/toggle_skoscollection_children.html
new file mode 100644
index 000000000..6b67285fe
--- /dev/null
+++ b/apis_core/vocabs/templates/vocabs/toggle_skoscollection_children.html
@@ -0,0 +1,4 @@
+{% load vocabs %}
+{% for child in children %}
+{% toggle_skoscollection model child %}
+{% endfor %}
diff --git a/apis_core/vocabs/templatetags/vocabs.py b/apis_core/vocabs/templatetags/vocabs.py
new file mode 100644
index 000000000..e1d4c8249
--- /dev/null
+++ b/apis_core/vocabs/templatetags/vocabs.py
@@ -0,0 +1,39 @@
+from django import template
+from django.contrib.contenttypes.models import ContentType
+
+from apis_core.vocabs.models import SkosCollectionContentObject, SkosCollection
+
+
+register = template.Library()
+
+
+@register.inclusion_tag("vocabs/toggle_skoscollection.html", takes_context=True)
+def toggle_skoscollection(context, model, collection):
+    content_type = ContentType.objects.get_for_model(model)
+    context["content_type_id"] = content_type.id
+    context["object_id"] = model.id
+    context["collection"] = collection
+    context["exists"] = SkosCollectionContentObject.objects.filter(
+        object_id=model.id, content_type=content_type, collection=collection
+    ).exists()
+    return context
+
+
+@register.inclusion_tag("vocabs/toggle_skoscollection.html", takes_context=True)
+def toggle_skoscollection_by_name(context, model, collectionname):
+    collection = SkosCollection.objects.get(name=collectionname)
+    return toggle_skoscollection(context, model, collection)
+
+
+@register.inclusion_tag("vocabs/toggle_skoscollection_children.html", takes_context=True)
+def toggle_skoscollection_children(context, model, collection):
+    context["children"] = SkosCollection.objects.filter(parent=collection)
+    context["model"] = model
+    context["collection"] = collection
+    return context
+
+
+@register.inclusion_tag("vocabs/toggle_skoscollection_children.html", takes_context=True)
+def toggle_skoscollection_children_by_name(context, model, collectionname):
+    collection = SkosCollection.objects.get(name=collectionname)
+    return toggle_skoscollection_children(context, model, collection)
diff --git a/apis_core/vocabs/urls.py b/apis_core/vocabs/urls.py
new file mode 100644
index 000000000..264944089
--- /dev/null
+++ b/apis_core/vocabs/urls.py
@@ -0,0 +1,11 @@
+from django.urls import path
+
+from . import views
+
+urlpatterns = [
+    path(
+        "togglecollectionobject/<int:content_type_id>/<int:object_id>/<int:collection>",
+        views.ToggleCollectionObject.as_view(),
+        name="togglecollectionobject",
+    ),
+]
diff --git a/apis_core/vocabs/utils.py b/apis_core/vocabs/utils.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/apis_core/vocabs/views.py b/apis_core/vocabs/views.py
new file mode 100644
index 000000000..fd62b415b
--- /dev/null
+++ b/apis_core/vocabs/views.py
@@ -0,0 +1,32 @@
+from django.contrib.auth.mixins import LoginRequiredMixin
+from django.contrib.contenttypes.models import ContentType
+from django.views.generic.base import TemplateView
+from django.shortcuts import redirect
+
+from .models import SkosCollection, SkosCollectionContentObject
+
+
+class ToggleCollectionObject(LoginRequiredMixin, TemplateView):
+    template_name = "vocabs/toggle_skoscollection.html"
+
+    def get_context_data(self, *args, **kwargs):
+        context = super().get_context_data(*args, **kwargs)
+        context["exists"] = self.created
+        context["collection"] = SkosCollection.objects.get(pk=kwargs["collection"])
+        context["content_type_id"] = kwargs["content_type_id"]
+        context["object_id"] = kwargs["object_id"]
+        return context
+
+    def get(self, *args, **kwargs):
+        collection = SkosCollection.objects.get(pk=kwargs["collection"])
+        content_type = ContentType.objects.get(pk=kwargs["content_type_id"])
+        scco, self.created = SkosCollectionContentObject.objects.get_or_create(
+            collection=collection,
+            content_type=content_type,
+            object_id=kwargs["object_id"],
+        )
+        if not self.created:
+            scco.delete()
+        if redirect_to := self.request.GET.get("to", False):
+            return redirect(redirect_to)
+        return super().get(*args, **kwargs)