diff --git a/ihatemoney/forms.py b/ihatemoney/forms.py
index d00b5fe4..0be12f02 100644
--- a/ihatemoney/forms.py
+++ b/ihatemoney/forms.py
@@ -1,8 +1,8 @@
 from flask_wtf.form import FlaskForm
 from wtforms.fields.core import SelectField, SelectMultipleField
-from wtforms.fields.html5 import DateField, DecimalField
+from wtforms.fields.html5 import DateField, DecimalField, URLField
 from wtforms.fields.simple import PasswordField, SubmitField, TextAreaField, StringField
-from wtforms.validators import Email, DataRequired, ValidationError, EqualTo, NumberRange
+from wtforms.validators import Email, DataRequired, ValidationError, EqualTo, NumberRange, Optional
 from flask_babel import lazy_gettext as _
 from flask import request
 from werkzeug.security import generate_password_hash
@@ -139,6 +139,7 @@ class BillForm(FlaskForm):
     what = StringField(_("What?"), validators=[DataRequired()])
     payer = SelectField(_("Payer"), validators=[DataRequired()], coerce=int)
     amount = CalculatorStringField(_("Amount paid"), validators=[DataRequired()])
+    document = URLField(_("Document"), validators=[Optional()], description="A link to your bill.")
     payed_for = SelectMultipleField(_("For whom?"),
                                     validators=[DataRequired()], coerce=int)
     submit = SubmitField(_("Submit"))
@@ -149,6 +150,7 @@ class BillForm(FlaskForm):
         bill.amount = self.amount.data
         bill.what = self.what.data
         bill.date = self.date.data
+        bill.document = self.document.data
         bill.owers = [Person.query.get(ower, project)
                       for ower in self.payed_for.data]
 
@@ -159,6 +161,7 @@ class BillForm(FlaskForm):
         self.amount.data = bill.amount
         self.what.data = bill.what
         self.date.data = bill.date
+        self.document.data = bill.document
         self.payed_for.data = [int(ower.id) for ower in bill.owers]
 
     def set_default(self):
diff --git a/ihatemoney/migrations/versions/df95884d26ae_.py b/ihatemoney/migrations/versions/df95884d26ae_.py
new file mode 100644
index 00000000..b668f14e
--- /dev/null
+++ b/ihatemoney/migrations/versions/df95884d26ae_.py
@@ -0,0 +1,26 @@
+"""empty message
+
+Revision ID: df95884d26ae
+Revises: a67119aa3ee5
+Create Date: 2019-09-15 23:17:29.721176
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = 'df95884d26ae'
+down_revision = 'a67119aa3ee5'
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('bill', sa.Column('document', sa.UnicodeText(), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('bill', 'document')
+    # ### end Alembic commands ###
diff --git a/ihatemoney/models.py b/ihatemoney/models.py
index 3e908fa8..caadfdbe 100644
--- a/ihatemoney/models.py
+++ b/ihatemoney/models.py
@@ -358,12 +358,13 @@ class Bill(db.Model):
     date = db.Column(db.Date, default=datetime.now)
     creation_date = db.Column(db.Date, default=datetime.now)
     what = db.Column(db.UnicodeText)
+    document = db.Column(db.UnicodeText)
 
     archive = db.Column(db.Integer, db.ForeignKey("archive.id"))
 
     @property
     def _to_serialize(self):
-        return {
+        dict = {
             "id": self.id,
             "payer_id": self.payer_id,
             "owers": self.owers,
@@ -372,6 +373,9 @@ class Bill(db.Model):
             "creation_date": self.creation_date,
             "what": self.what,
         }
+        if self.document:
+            dict["document"] = self.document
+        return dict
 
     def pay_each(self):
         """Compute what each share has to pay"""
diff --git a/ihatemoney/static/css/main.css b/ihatemoney/static/css/main.css
index acc95a1a..2e27f2cb 100644
--- a/ihatemoney/static/css/main.css
+++ b/ihatemoney/static/css/main.css
@@ -290,7 +290,8 @@ footer .footer-left {
 }
 
 .bill-actions > .delete,
-.bill-actions > .edit {
+.bill-actions > .edit,
+.bill-actions > .see {
   font-size: 0px;
   display: block;
   width: 16px;
@@ -308,6 +309,10 @@ footer .footer-left {
   background: url("../images/edit.png") no-repeat right;
 }
 
+.bill-actions > .see {
+  background: url("../images/see.png") no-repeat right;
+}
+
 #bill_table {
   margin-top: 30px;
 }
diff --git a/ihatemoney/static/images/see.png b/ihatemoney/static/images/see.png
new file mode 100644
index 00000000..edcaf635
Binary files /dev/null and b/ihatemoney/static/images/see.png differ
diff --git a/ihatemoney/templates/forms.html b/ihatemoney/templates/forms.html
index a64e2055..6aa07074 100644
--- a/ihatemoney/templates/forms.html
+++ b/ihatemoney/templates/forms.html
@@ -95,6 +95,7 @@
     {{ input(form.what, inline=True) }}
     {{ input(form.payer, inline=True, class="form-control custom-select") }}
     {{ input(form.amount, inline=True) }}
+    {{ input(form.document, inline=True) }}
 
     <div class="form-group row">
         <label class="col-3" for="payed_for">{{ _("For whom?") }}</label>
diff --git a/ihatemoney/templates/list_bills.html b/ihatemoney/templates/list_bills.html
index e42ec372..026b4acc 100644
--- a/ihatemoney/templates/list_bills.html
+++ b/ihatemoney/templates/list_bills.html
@@ -128,6 +128,9 @@
                 <td class="bill-actions">
                     <a class="edit" href="{{ url_for(".edit_bill", bill_id=bill.id) }}" title="{{ _("edit") }}">{{ _('edit') }}</a>
                     <a class="delete" href="{{ url_for(".delete_bill", bill_id=bill.id) }}" title="{{ _("delete") }}">{{ _('delete') }}</a>
+                    {% if bill.document %}
+                    <a class="see" href="{{ bill.document }}" target="_blank" title="{{ _("see") }}">{{ _('see') }} </a>
+                    {% endif %}
                 </td>
         </tr>
         {% endfor %}