diff --git a/sourcing/model.py b/sourcing/model.py
index 8ff3ec4..8c55023 100644
--- a/sourcing/model.py
+++ b/sourcing/model.py
@@ -123,21 +123,22 @@ class User(TimeStampedModel, UserMixin):
         return user
 
 class Item(TimeStampedModel):
-    __versioned__ = {}
     __tablename__ = 'item'
+    __versioned__ = {'base_classes': (TimeStampedModel,)}
 
     id = Column(Integer, primary_key=True)
     user_id = Column(Integer, ForeignKey('user.id'))
     published = Column(DateTime)
-    type = Column(Enum('sourcedoc', 'xanadoc', 'xanalink', name='item_type'), nullable=False)
+    type = Column(Enum('sourcedoc', 'xanadoc', 'xanalink', name='item_type'),
+                  nullable=False)
     filename = Column(Unicode)
     text = Column(UnicodeText)
 
     user = relationship('User', backref='items')
 
     __mapper_args__ = {
-        'polymorphic_identity': 'item',
         'polymorphic_on': type,
+        'with_polymorphic': '*',
     }
 
     @property
@@ -179,11 +180,34 @@ class Item(TimeStampedModel):
     def edit_url(self):
         return url_for('.edit_item', username=self.user.username, hashid=self.hashid)
 
+    @property
+    def add_title_url(self):
+        return url_for('.add_title', username=self.user.username, hashid=self.hashid)
+
     def title(self, titles=None):
         if not titles:
             titles = XanaLink.get_all_titles()
         return self.type + ": " + titles.get(self, self.hashid)
 
+    def has_title(self):
+        titles = XanaLink.get_all_titles()
+        print(titles)
+        return self in titles
+
+    def add_title(self, title, user):
+        title_source_doc = SourceDoc(text=title, user=user)
+        session.add(title_source_doc)
+        session.commit()
+        link_text = '''type=title
+
+facet=
+sourcedoc: {}
+facet=
+span: {},start=0,length={}'''.format(self.external_url, title_source_doc.external_url, len(title))
+        title_link = XanaLink(text=link_text, user=user)
+        session.add(title_link)
+        session.commit()
+
     @classmethod
     def from_external(cls, url):
         home = url_for('.home', _external=True)
@@ -200,16 +224,16 @@ class Item(TimeStampedModel):
 
 class XanaDoc(Item):
     __tablename__ = 'xanadoc'
-    id = Column(Integer, ForeignKey('item.id'), primary_key=True)
-
     __mapper_args__ = {'polymorphic_identity': 'xanadoc'}
 
+    id = Column(Integer, ForeignKey(Item.id), primary_key=True)
+
 class XanaLink(Item):
     __tablename__ = 'xanalink'
-    id = Column(Integer, ForeignKey('item.id'), primary_key=True)
-
     __mapper_args__ = {'polymorphic_identity': 'xanalink'}
 
+    id = Column(Integer, ForeignKey(Item.id), primary_key=True)
+
     def parse(self):
         return parse_link(self.text)
 
@@ -250,7 +274,9 @@ class XanaLink(Item):
 
 class SourceDoc(Item):
     __tablename__ = 'sourcedoc'
-    id = Column(Integer, ForeignKey('item.id'), primary_key=True)
+    __mapper_args__ = {'polymorphic_identity': 'sourcedoc'}
+
+    id = Column(Integer, ForeignKey(Item.id), primary_key=True)
     db_price_per_character = Column(Integer)
     db_document_price = Column(Integer)
 
@@ -262,7 +288,6 @@ class SourceDoc(Item):
     def price_per_character(self):
         return self.db_price_per_character or self.db_document_price / len(self.text)
 
-    __mapper_args__ = {'polymorphic_identity': 'sourcedoc'}
 
 
 configure_mappers()
diff --git a/sourcing/static/js/doc.js b/sourcing/static/js/doc.js
index c0a90a2..d59d667 100644
--- a/sourcing/static/js/doc.js
+++ b/sourcing/static/js/doc.js
@@ -1,3 +1,5 @@
+'use strict';
+
 $(function() {
     $("div#right").hide();
     /* $("button#add-new-span").click(function() {
diff --git a/sourcing/static/js/sourcedoc.js b/sourcing/static/js/sourcedoc.js
index cf2e711..2929929 100644
--- a/sourcing/static/js/sourcedoc.js
+++ b/sourcing/static/js/sourcedoc.js
@@ -1,3 +1,5 @@
+'use strict';
+
 function add_message() {
   $("div#messages").text("whatever");
 }
diff --git a/sourcing/templates/base.html b/sourcing/templates/base.html
index 6ddba92..d910e10 100644
--- a/sourcing/templates/base.html
+++ b/sourcing/templates/base.html
@@ -29,6 +29,7 @@
 </div>
 
 <script src="{{ url_for('static', filename='jquery/jquery.js') }}"></script>
+<script src="https://npmcdn.com/tether@1.2.4/dist/js/tether.min.js"></script>
 <script src="{{ url_for('static', filename='bootstrap4/js/bootstrap.js') }}"></script>
 
 {% block scripts %}
diff --git a/sourcing/templates/view.html b/sourcing/templates/view.html
index 458c4e6..ee27e4e 100644
--- a/sourcing/templates/view.html
+++ b/sourcing/templates/view.html
@@ -4,6 +4,29 @@
 
 {% block content %}
 
+<div class="modal fade" id="title-modal" tabindex="-1" role="dialog">
+  <div class="modal-dialog" role="document">
+    <div class="modal-content">
+      <div class="modal-header">
+        <h5 class="modal-title">set {{ doc.type }} title</h5>
+        <button type="button" class="close" data-dismiss="modal" aria-label="Close">
+          <span aria-hidden="true">&times;</span>
+        </button>
+      </div>
+      <form method="POST" action="{{ doc.add_title_url }}">
+      <div class="modal-body">
+        <label for="form-title">title</label>
+        <input name="title" id="form-title" class="form-control">
+      </div>
+      <div class="modal-footer">
+        <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
+        <button type="submit" class="btn btn-primary">Add title</button>
+      </div>
+      </form>
+    </div>
+  </div>
+</div>
+
 <ul class="nav nav-tabs">
   <li class="nav-item">
     <a class="nav-link active" href="{{ doc.url }}">View</a>
@@ -24,7 +47,11 @@
   </li>
 </ul>
 
-<h1 class="mt-3">{{ self.title() }}</h1>
+<h1 class="mt-3">{{ self.title() }}
+  {% if current_user.is_authenticated and doc.user == current_user and not doc.has_title() %}
+  <button class="btn btn-primary"  data-toggle="modal" data-target="#title-modal">add title</button>
+  {% endif %}
+</h1>
 {% if version %}
   <p>Revision as of {{ version.modified.strftime('%H:%M, %d %B %Y') }}</p>
 {% endif %}
diff --git a/sourcing/view.py b/sourcing/view.py
index 1b16e79..b50d58e 100644
--- a/sourcing/view.py
+++ b/sourcing/view.py
@@ -199,6 +199,14 @@ def fulfil(username, hashid):
                            item=item,
                            doc=fulfil_edl_with_sources(item.text))
 
+@bp.route('/<username>/<hashid>/add_title', methods=['POST'])
+def add_title(username, hashid):
+    item = get_item(username, hashid)
+    title = request.form['title']
+    item.add_title(title, current_user)
+    flash('title added')
+    return redirect(item.url)
+
 @bp.route('/<username>/<hashid>')
 def view_item(username, hashid, raw=False):
     if ',' in hashid: