diff --git a/pinax/referrals/admin.py b/pinax/referrals/admin.py
index d5d9a74..c690545 100644
--- a/pinax/referrals/admin.py
+++ b/pinax/referrals/admin.py
@@ -1,32 +1,53 @@
 from django.contrib import admin
+from django.urls import reverse
+from django.utils.html import format_html
 
 from .models import Referral, ReferralResponse
 
-admin.site.register(
-    Referral,
-    list_display=[
+
+@admin.register(Referral)
+class ReferralAdmin(admin.ModelAdmin):
+    list_display = [
         "user",
         "code",
         "label",
         "redirect_to",
         "target_content_type",
-        "target_object_id"
-    ],
-    readonly_fields=["code", "created_at"],
-    list_filter=["target_content_type", "created_at"],
-    search_fields=["user__first_name", "user__last_name", "user__email", "user__username", "code"]
-)
+        "target_object_id",
+        "url",
+    ]
+    readonly_fields = ["code", "created_at"]
+    list_filter = ["target_content_type", "created_at"]
+    search_fields = ["user__first_name", "user__last_name", "user__email", "user__username", "code"]
+    autocomplete_fields = ["user"]
+
 
-admin.site.register(
-    ReferralResponse,
-    list_display=[
+@admin.register(ReferralResponse)
+class ReferralResponseAdmin(admin.ModelAdmin):
+    list_display = [
         "referral",
         "session_key",
         "user",
         "ip_address",
-        "action"
-    ],
-    readonly_fields=["referral", "session_key", "user", "ip_address", "action"],
-    list_filter=["action", "created_at"],
-    search_fields=["referral__code", "referral__user__username", "ip_address"]
-)
+        "action",
+        "target_object_link",
+    ]
+    readonly_fields = ["referral", "session_key", "user", "ip_address", "action", "target_object_link"]
+    list_filter = ["action", "created_at"]
+    search_fields = [
+        "referral__code",
+        "referral__user__email",
+        "referral__user__username",
+        "referral__user__first_name",
+        "referral__user__last_name",
+        "user__email",
+        "user__username",
+        "user__first_name",
+        "user__last_name",
+        "ip_address",
+    ]
+
+    def target_object_link(self, obj):
+        if obj.pk and obj.target:
+            admin_link = reverse("admin:%s_%s_change" % (obj.target_content_type.app_label, obj.target_content_type.model), args=(obj.target.pk,))
+            return format_html('<a href="{}">{}</a>', admin_link, obj.target.__str__())
diff --git a/pinax/referrals/models.py b/pinax/referrals/models.py
index deda4e1..6ea0332 100644
--- a/pinax/referrals/models.py
+++ b/pinax/referrals/models.py
@@ -91,16 +91,22 @@ def record_response(cls, request, action_string, target=None):
             return referral.respond(request, action_string, target=target)
 
     @classmethod
-    def referral_for_request(cls, request):
+    def referral_responses_for_request(cls, request):
         if request.user.is_authenticated:
             qs = ReferralResponse.objects.filter(user=request.user)
         else:
             qs = ReferralResponse.objects.filter(session_key=request.session.session_key)
 
-        try:
-            return qs.order_by("-created_at")[0].referral
-        except IndexError:
-            pass
+        return qs.order_by("-created_at")
+
+    @classmethod
+    def referral_for_request(cls, request):
+        responses = cls.referral_responses_for_request(request)
+        if responses:
+            try:
+                return responses[0].referral
+            except IndexError:
+                pass
 
     def link_responses_to_user(self, user, session_key):
         for response in self.responses.filter(session_key=session_key, user__isnull=True):
@@ -146,8 +152,8 @@ class ReferralResponse(models.Model):
     ip_address = models.CharField(max_length=265)
     action = models.CharField(max_length=128)
 
-    target_content_type = models.ForeignKey(ContentType, null=True, on_delete=models.SET_NULL)
-    target_object_id = models.PositiveIntegerField(null=True)
+    target_content_type = models.ForeignKey(ContentType, null=True, blank=True, on_delete=models.SET_NULL)
+    target_object_id = models.PositiveIntegerField(null=True, blank=True)
     target = GenericForeignKey(
         ct_field="target_content_type",
         fk_field="target_object_id"