diff --git a/python/worblehat.py b/python/worblehat.py
index 0094ff3..c4f0797 100755
--- a/python/worblehat.py
+++ b/python/worblehat.py
@@ -103,8 +103,11 @@ def commit_actions(actions):
     actions.sort(action_cmp)
 
     try:
+        new_persons = {}
         for action in actions:
-            perform_action(action)
+            obj = perform_action(action, new_persons)
+            if isinstance(obj, Person):
+                new_persons[obj.id] = obj
         transaction.commit()
     except Exception, e:
         print 'Error when commiting.'
@@ -112,9 +115,14 @@ def commit_actions(actions):
         traceback.print_exc()
         transaction.rollback()
 
-def perform_action(a):
-    if a['action'] == 'edit-book':
-        b = Book.objects.get(isbn=a['isbn'])
+def perform_action(a, new_persons):
+    action = a['action']
+    if action == 'edit-book' or action == 'new-book':
+        print 'Commiting %s action, ISBN: %s' % (action, a['isbn'])
+        if action == 'edit-book':
+            b = Book.objects.get(isbn=a['isbn'])
+        else:
+            b = Book(isbn=a['isbn'])
         if 'title' in a: b.title = a['title']
         if 'subtitle' in a: b.subtitle = a['subtitle']
         if 'category' in a: b.category = Category.objects.get(id=a['category'])
@@ -131,17 +139,23 @@ def perform_action(a):
         if 'description' in a: b.description = a['description']
         if 'persons' in a:
             for bp in b.persons.all():
-                if bp.person.id not in a['persons'][bp.relation.name]:
+                if (bp.relation.name not in a['persons']
+                    or bp.person.id not in a['persons'][bp.relation.name]):
                     bp.delete()
             for rel, person_list in a['persons'].items():
                 for person_id in person_list:
                     if person_id not in map(lambda p: p.id, b.get_persons(rel)):
+                        if person_id in new_persons.keys():
+                            person = new_persons[person_id]
+                        else:
+                            person = Person.objects.get(id=person_id)
                         BookPerson(book=b,
-                                   person=Person.objects.get(id=person_id),
+                                   person=person,
                                    relation=Relation.objects.get(name=rel)).save()
         if 'references' in a:
             for ref in b.references.all():
-                if ref.text not in a['references'][ref.reference_type]:
+                if (ref.reference_type not in a['references']
+                    or ref.text not in a['references'][ref.reference_type]):
                     ref.delete()
             for reftype, text_list in a['references'].items():
                 for text in text_list:
@@ -151,6 +165,17 @@ def perform_action(a):
                                   text=text).save()
         # TODO pictures
         b.save()
+        return b
+    if action == 'edit-person' or action == 'new-person':
+        print 'Commiting %s action, id: %s' % (action, a['id'])
+        if action == 'edit-person':
+            p = Person.objects.get(id=a['id'])
+        else:
+            p = Person(id=a['id'])
+        if 'first_name' in a: p.first_name = a['first_name']
+        if 'last_name' in a: p.last_name = a['last_name']
+        p.save()
+        return p
 
 def edit_book_or_person(ids):
     filename = show_book_or_person(ids, commit_format=True, tmp_file=True)