diff --git a/frontend/forms.py b/frontend/forms.py
index e4be038e..5ea2a505 100644
--- a/frontend/forms.py
+++ b/frontend/forms.py
@@ -16,7 +16,7 @@ from selectable.forms import AutoCompleteSelectWidget,AutoCompleteSelectField
 
 from regluit.core.models import UserProfile, RightsHolder, Claim, Campaign, Premium, Ebook, Edition, PledgeExtra, Work, Press
 from regluit.core.models import TWITTER, FACEBOOK, GRAVATAR
-from regluit.core.lookups import OwnerLookup, WorkLookup
+from regluit.core.lookups import OwnerLookup, WorkLookup, PublisherNameLookup
 
 from regluit.utils.localdatetime import now
 
@@ -27,10 +27,17 @@ logger = logging.getLogger(__name__)
 class EditionForm(forms.ModelForm):
     add_author = forms.CharField(max_length=500,  required=False)
     add_subject = forms.CharField(max_length=200,  required=False)
-    isbn_13 = forms.RegexField(
+    publisher_name = AutoCompleteSelectField(
+            PublisherNameLookup,
+            label='Publisher Name',
+            widget=AutoCompleteSelectWidget(PublisherNameLookup),
+            required=False,
+        )
+
+    isbn = forms.RegexField(
         label=_("ISBN"), 
         max_length=13, 
-        regex=r'^97[89]\d\d\d\d\d\d\d\d\d\d$',
+        regex=r'^(97[89]\d\d\d\d\d\d\d\d\d\d|delete)$',
         required = True,
         help_text = _("13 digits, no dash."),
         error_messages = {
@@ -38,9 +45,39 @@ class EditionForm(forms.ModelForm):
             'required': _("Yes, we need an ISBN."),
         }
     )
-    oclcnum = forms.RegexField(
+    goog = forms.RegexField(
+        label=_("Google Books ID"), 
+        max_length=12, 
+        regex=r'^([a-zA-Z0-9\-_]{12}|delete)$',
+        required = False,
+        help_text = _("12 alphanumeric characters, dash or underscore, case sensitive."),
+        error_messages = {
+            'invalid': _("This value must be 12 alphanumeric characters, dash or underscore."),
+        }
+    )
+    gdrd = forms.RegexField(
+        label=_("GoodReads ID"), 
+        max_length=8, 
+        regex=r'^(\d+|delete)$',
+        required = False,
+        help_text = _("1-8 digits."),
+        error_messages = {
+            'invalid': _("This value must be 1-8 digits."),
+        }
+    )
+    thng = forms.RegexField(
+        label=_("LibraryThing ID"), 
+        max_length=8, 
+        regex=r'(^\d+|delete)$',
+        required = False,
+        help_text = _("1-8 digits."),
+        error_messages = {
+            'invalid': _("This value must be 1-8 digits."),
+        }
+    )
+    oclc = forms.RegexField(
         label=_("OCLCnum"), 
-        regex=r'^\d\d\d\d\d\d\d\d\d*$',
+        regex=r'^(\d\d\d\d\d\d\d\d\d*|delete)$',
         required = False,
         help_text = _("8 or more digits."),
         error_messages = {
diff --git a/frontend/templates/new_edition.html b/frontend/templates/new_edition.html
index 5f580398..5d78710b 100644
--- a/frontend/templates/new_edition.html
+++ b/frontend/templates/new_edition.html
@@ -4,6 +4,7 @@
 <link rel="stylesheet" href="https://ajax.googleapis.com/ajax/libs/jqueryui/1.8.13/themes/ui-lightness/jquery-ui.css" type="text/css" media="screen">
 {{ form.media.css }}
 <script type="text/javascript" src="{{ jquery_ui_home }}" ></script>
+
 {{ form.media.js }}
 {% endblock %}
 
@@ -20,6 +21,7 @@
 	{{ form.work }}
 	<div> 
 		<p><b>Title</b>: {{ form.title.errors }}{{ form.title }}</p>
+		<p><b>Publisher</b>: {{ form.publisher_name.errors }}{{ form.publisher_name }}</p>
 		
 		<p>
 		<b>Authors</b>:
@@ -43,9 +45,14 @@
 		<input type="submit" name="add_author_submit" value="Add Author" id="submit_author"></p>
 
 		<p><b>Language</b>: {{ form.language.errors }}{{ form.language }}</p>
-
-		<p><b>ISBN-13</b>: {{ form.isbn_13.errors }}{{ form.isbn_13 }}</p>
-		<p><b>OCLC Number</b>: {{ form.oclcnum.errors }}{{ form.oclcnum }}</p>
+        <h4> Identifiers </h4>
+        {% if id_msg %} <span class="errorlist">{{ id_msg }} </span>{% endif %}
+        <p> Enter 'delete' to remove the identifier. </p>
+		<p><b>ISBN-13</b>: {{ form.isbn.errors }}{{ form.isbn }}</p>
+		<p><b>OCLC Number</b>: {{ form.oclc.errors }}{{ form.oclc }}</p>
+		<p><b>Google Books ID</b>: {{ form.goog.errors }}{{ form.goog }}</p>
+		<p><b>GoodReads ID</b>: {{ form.gdrd.errors }}{{ form.gdrd }}</p>
+		<p><b>LibraryThing ID</b>: {{ form.thng.errors }}{{ form.thng }}</p>
 
 		<p><b>Description</b>: <br />
 		{{ form.description.errors }}{{ form.description }}<br />
diff --git a/frontend/views.py b/frontend/views.py
index 79eaafef..09a594d3 100755
--- a/frontend/views.py
+++ b/frontend/views.py
@@ -407,12 +407,20 @@ def new_edition(request, work_id, edition_id, by=None):
                     work.title=form.cleaned_data['title']
                     work.save()
                 
-                # note: this is very powerful. it can steal an isbn from another edition/work, and it will wipe the changed isbn from the db
-                models.Identifier.set(type='isbn', value=form.cleaned_data['isbn_13'], edition=edition, work=work)
-                
-                if form.cleaned_data['oclcnum']:
-                    # note: this is very powerful.(same comment as for isbn) use with care!
-                    models.Identifier.set(type='oclc', value=form.cleaned_data['oclcnum'], edition=edition, work=work)
+                id_msg=""
+                for id_type in ('isbn', 'oclc', 'goog', 'thng', 'gdrd'):
+                    id_val = form.cleaned_data[id_type]
+                    if id_val=='delete':
+                        edition.identifiers.filter(type=id_type).delete()
+                    elif id_val:
+                        existing= models.Identifier.objects.filter(type=id_type, value=form.cleaned_data[id_type])
+                        if existing.count() and existing[0].edition != edition:
+                                return render(request, 'new_edition.html', {
+                                        'form': form,  'edition': edition, 
+                                        'id_msg': "%s = %s already exists"%( id_type, id_val ),
+                                        })
+                        else:
+                            models.Identifier.set(type=id_type, value=id_val, edition=edition, work=work)
                 for author_name in edition.new_author_names:
                     try:
                         author= models.Author.objects.get(name=author_name)
@@ -430,14 +438,18 @@ def new_edition(request, work_id, edition_id, by=None):
     else:
         form = EditionForm(instance=edition, initial={
             'language':language,
-            'isbn_13':edition.isbn_13, 
-            'oclcnum':edition.oclc,
+            'publisher_name':edition.publisher_name,
+            'isbn':edition.isbn_13, 
+            'oclc':edition.oclc,
             'description':description,
-            'title': title
+            'title': title,
+            'goog': edition.googlebooks_id,
+            'gdrd': edition.goodreads_id,
+            'thng': edition.librarything_id,
             })
 
     return render(request, 'new_edition.html', {
-            'form': form, 'edition': edition
+            'form': form, 'edition': edition, 
         })