diff --git a/cps/db.py b/cps/db.py
index 86b7c92f..a354626b 100755
--- a/cps/db.py
+++ b/cps/db.py
@@ -76,6 +76,40 @@ for row in cc:
         cc_classes[row.id] = type('Custom_Column_' + str(row.id), (Base,), ccdict)
 
 
+class Identifiers(Base):
+    __tablename__ = 'identifiers'
+
+    id = Column(Integer, primary_key=True)
+    type = Column(String)
+    val = Column(String)
+    book = Column(Integer, ForeignKey('books.id'))
+
+    def __init__(self, val, type, book):
+        self.val = val
+        self.type = type
+        self.book = book
+
+    def formatType(self):
+        if self.type == "amazon":
+            return u"Amazon"
+        elif self.type == "isbn":
+            return u"ISBN"
+        elif self.type == "doi":
+            return u"DOI"
+        else:
+            return self.type
+
+    def __repr__(self):
+        if self.type == "amazon":
+            return u"https://amzn.com/{0}".format(self.val)
+        elif self.type == "isbn":
+            return u"http://http://www.worldcat.org/isbn/{0}".format(self.val)
+        elif self.type == "doi":
+            return u"http://dx.doi.org/{0}".format(self.val)
+        else:
+            return u""
+
+
 class Comments(Base):
     __tablename__ = 'comments'
 
@@ -203,7 +237,8 @@ class Books(Base):
     series = relationship('Series', secondary=books_series_link, backref='books')
     ratings = relationship('Ratings', secondary=books_ratings_link, backref='books')
     languages = relationship('Languages', secondary=books_languages_link, backref='books')
-    
+    identifiers=relationship('Identifiers', backref='books')
+
     def __init__(self, title, sort, author_sort, timestamp, pubdate, series_index, last_modified, path, has_cover, authors, tags):
         self.title = title
         self.sort = sort
diff --git a/cps/static/css/style.css b/cps/static/css/style.css
index 630767f7..5548739e 100644
--- a/cps/static/css/style.css
+++ b/cps/static/css/style.css
@@ -27,6 +27,7 @@ a{color: #45b29d}a:hover{color: #444;}
 span.glyphicon.glyphicon-tags {padding-right: 5px;color: #999;vertical-align: text-top;}
 .book-meta {padding-bottom: 20px;}
 .book-meta .tags a {display: inline;}
+.book-meta .identifiers a {display: inline;}
 .container-fluid .single .cover img {
     border: 1px solid #fff;
     /*border-radius: 7px;*/
diff --git a/cps/templates/detail.html b/cps/templates/detail.html
index 16d66151..2cb6f198 100644
--- a/cps/templates/detail.html
+++ b/cps/templates/detail.html
@@ -46,6 +46,17 @@
       </div>
       {% endif %}
 
+      {% if entry.identifiers|length > 0 %}
+      <div class="identifiers">
+        <span class="glyphicon glyphicon-link"></span>
+        {% for identifier in entry.identifiers %}
+          <a href="{{identifier}}" target="_blank" class="btn btn-xs btn-success" role="button">{{identifier.formatType()}}</a>
+        {%endfor%}
+      </div>
+      </p>
+      {% endif %}
+
+
       {% if entry.tags|length > 0 %}
       <p>
       <div class="tags">