diff --git a/cove_ofds/templates/cove_ofds/additional_checks_table.html b/cove_ofds/templates/cove_ofds/additional_checks_table.html
index bdcd31f..5ae1db7 100644
--- a/cove_ofds/templates/cove_ofds/additional_checks_table.html
+++ b/cove_ofds/templates/cove_ofds/additional_checks_table.html
@@ -34,7 +34,7 @@ <h4>
                         {{ additional_check.path }}
                     </td>
                     <td>
-                        {{ additional_check.missing_node_id }}
+                        {% include "libcoveweb2/show_json_value.html" with value=additional_check.missing_node_id %}
                     </td>
                 </tr>
             {% endfor %}
@@ -50,7 +50,7 @@ <h4>
                         {{ additional_check.path }}
                     </td>
                     <td>
-                        {{ additional_check.missing_node_id }}
+                        {% include "libcoveweb2/show_json_value.html" with value=additional_check.missing_node_id %}
                     </td>
                 </tr>
             {% endfor %}
@@ -90,7 +90,7 @@ <h4>
                         {{ additional_check.path }}
                     </td>
                     <td>
-                        {{ additional_check.incorrect_type }}
+                        {% include "libcoveweb2/show_json_value.html" with value=additional_check.incorrect_type %}
                     </td>
                 </tr>
             {% endfor %}
@@ -130,7 +130,7 @@ <h4>
                         {{ additional_check.path }}
                     </td>
                     <td>
-                        {{ additional_check.incorrect_coordinates }}
+                        {% include "libcoveweb2/show_json_value.html" with value=additional_check.incorrect_coordinates %}
                     </td>
                 </tr>
             {% endfor %}
@@ -170,7 +170,7 @@ <h4>
                         {{ additional_check.path }}
                     </td>
                     <td>
-                        {{ additional_check.incorrect_type }}
+                        {% include "libcoveweb2/show_json_value.html" with value=additional_check.incorrect_type %}
                     </td>
                 </tr>
             {% endfor %}
@@ -210,7 +210,7 @@ <h4>
                         {{ additional_check.path }}
                     </td>
                     <td>
-                        {{ additional_check.incorrect_coordinates }}
+                        {% include "libcoveweb2/show_json_value.html" with value=additional_check.incorrect_coordinates %}
                     </td>
                 </tr>
             {% endfor %}
@@ -251,7 +251,7 @@ <h4>
                             {{ additional_check.path }}
                         </td>
                         <td>
-                            {{ additional_check.phase_id_not_found }}
+                            {% include "libcoveweb2/show_json_value.html" with value=additional_check.phase_id_not_found %}
                         </td>
                     </tr>
                 {% endfor %}
@@ -281,7 +281,7 @@ <h4>
                             {{ additional_check.path }}
                         </td>
                         <td>
-                            {{ additional_check.phase_id_not_found }}
+                            {% include "libcoveweb2/show_json_value.html" with value=additional_check.phase_id_not_found %}
                         </td>
                     </tr>
                 {% endfor %}
@@ -311,7 +311,7 @@ <h4>
                             {{ additional_check.path }}
                         </td>
                         <td>
-                            {{ additional_check.phase_id_not_found }}
+                            {% include "libcoveweb2/show_json_value.html" with value=additional_check.phase_id_not_found %}
                         </td>
                     </tr>
                 {% endfor %}
@@ -356,10 +356,10 @@ <h4>
                             {{ additional_check.path }}
                         </td>
                         <td>
-                            {{ additional_check.name_in_reference }}
+                            {% include "libcoveweb2/show_json_value.html" with value=additional_check.name_in_reference %}
                         </td>
                         <td>
-                            {{ additional_check.name_should_be }}
+                            {% include "libcoveweb2/show_json_value.html" with value=additional_check.name_should_be %}
                         </td>
                     </tr>
                 {% endfor %}
@@ -390,10 +390,10 @@ <h4>
                             {{ additional_check.path }}
                         </td>
                         <td>
-                            {{ additional_check.name_in_reference }}
+                            {% include "libcoveweb2/show_json_value.html" with value=additional_check.name_in_reference %}
                         </td>
                         <td>
-                            {{ additional_check.name_should_be }}
+                            {% include "libcoveweb2/show_json_value.html" with value=additional_check.name_should_be %}
                         </td>
                     </tr>
                 {% endfor %}
@@ -424,10 +424,10 @@ <h4>
                             {{ additional_check.path }}
                         </td>
                         <td>
-                            {{ additional_check.name_in_reference }}
+                            {% include "libcoveweb2/show_json_value.html" with value=additional_check.name_in_reference %}
                         </td>
                         <td>
-                            {{ additional_check.name_should_be }}
+                            {% include "libcoveweb2/show_json_value.html" with value=additional_check.name_should_be %}
                         </td>
                     </tr>
                 {% endfor %}
@@ -469,7 +469,7 @@ <h4>
                             {{ additional_check.path }}
                         </td>
                         <td>
-                            {{ additional_check.organisation_id_not_found }}
+                            {% include "libcoveweb2/show_json_value.html" with value=additional_check.organisation_id_not_found %}
                         </td>
                     </tr>
                 {% endfor %}
@@ -499,7 +499,7 @@ <h4>
                             {{ additional_check.path }}
                         </td>
                         <td>
-                            {{ additional_check.organisation_id_not_found }}
+                            {% include "libcoveweb2/show_json_value.html" with value=additional_check.organisation_id_not_found %}
                         </td>
                     </tr>
                 {% endfor %}
@@ -529,7 +529,7 @@ <h4>
                             {{ additional_check.path }}
                         </td>
                         <td>
-                            {{ additional_check.organisation_id_not_found }}
+                            {% include "libcoveweb2/show_json_value.html" with value=additional_check.organisation_id_not_found %}
                         </td>
                     </tr>
                 {% endfor %}
@@ -577,10 +577,10 @@ <h4>
                             {{ additional_check.path }}
                         </td>
                         <td>
-                            {{ additional_check.name_in_reference }}
+                            {% include "libcoveweb2/show_json_value.html" with value=additional_check.name_in_reference %}
                         </td>
                         <td>
-                            {{ additional_check.name_should_be }}
+                            {% include "libcoveweb2/show_json_value.html" with value=additional_check.name_should_be %}
                         </td>
                     </tr>
                 {% endfor %}
@@ -615,10 +615,10 @@ <h4>
                             {{ additional_check.path }}
                         </td>
                         <td>
-                            {{ additional_check.name_in_reference }}
+                            {% include "libcoveweb2/show_json_value.html" with value=additional_check.name_in_reference %}
                         </td>
                         <td>
-                            {{ additional_check.name_should_be }}
+                            {% include "libcoveweb2/show_json_value.html" with value=additional_check.name_should_be %}
                         </td>
                     </tr>
                 {% endfor %}
@@ -649,10 +649,10 @@ <h4>
                             {{ additional_check.path }}
                         </td>
                         <td>
-                            {{ additional_check.name_in_reference }}
+                            {% include "libcoveweb2/show_json_value.html" with value=additional_check.name_in_reference %}
                         </td>
                         <td>
-                            {{ additional_check.name_should_be }}
+                            {% include "libcoveweb2/show_json_value.html" with value=additional_check.name_should_be %}
                         </td>
                     </tr>
                 {% endfor %}
diff --git a/cove_ofds/templates/cove_ofds/jsonschema_validation_table.html b/cove_ofds/templates/cove_ofds/jsonschema_validation_table.html
index c4aaa8f..2daf8a4 100644
--- a/cove_ofds/templates/cove_ofds/jsonschema_validation_table.html
+++ b/cove_ofds/templates/cove_ofds/jsonschema_validation_table.html
@@ -1,6 +1,5 @@
 {% load i18n %}
 {% load cove_tags %}
-{% load ofds_cove_tags %}
 
 <div class="collapse" id="validation_error_details_{{ error_table_id }}">
     <table class="table table-condensed">
@@ -39,12 +38,12 @@
                 </td>
                 {% if col_instance %}
                     <td>
-                        {{ error.instance|error_instance_display }}
+                        {% include "libcoveweb2/show_json_value.html" with value=error.instance %}
                     </td>
                 {% endif %}
                 {% if col_validator_value %}
                     <td>
-                        {{ error.validator_value }}
+                        {% include "libcoveweb2/show_json_value.html" with value=error.validator_value %}
                     </td>
                 {% endif %}
             </tr>
diff --git a/cove_ofds/templatetags/__init__.py b/cove_ofds/templatetags/__init__.py
deleted file mode 100644
index e69de29..0000000
diff --git a/cove_ofds/templatetags/ofds_cove_tags.py b/cove_ofds/templatetags/ofds_cove_tags.py
deleted file mode 100644
index 178dfa4..0000000
--- a/cove_ofds/templatetags/ofds_cove_tags.py
+++ /dev/null
@@ -1,11 +0,0 @@
-from django import template
-
-register = template.Library()
-
-
-@register.filter(name="error_instance_display")
-def error_instance_display(input):
-    if isinstance(input, str):
-        return '"' + input + '"'
-    else:
-        return str(input)
diff --git a/libcoveweb2/templates/libcoveweb2/additional_fields_table.html b/libcoveweb2/templates/libcoveweb2/additional_fields_table.html
index 98b3e7f..0f80b5d 100644
--- a/libcoveweb2/templates/libcoveweb2/additional_fields_table.html
+++ b/libcoveweb2/templates/libcoveweb2/additional_fields_table.html
@@ -20,7 +20,7 @@
          <td>{{info.count}}</td>
          <td>
            {% for example in info.examples %}
-           {{example}} <br />
+           {% include "libcoveweb2/show_json_value.html" with value=example %} <br />
            {% endfor %}
          </td>
          <td>
@@ -64,7 +64,7 @@ <h4>{% blocktrans %}Child fields of {{parent_full_path}}{% endblocktrans %} </h4
                     <td>{{info.count}}</td>
                     <td>
                       {% for example in info.examples %}
-                        {{example}} <br />
+                        {% include "libcoveweb2/show_json_value.html" with value=example %} <br />
                       {% endfor %}
                     </td>
                  </tr>
diff --git a/libcoveweb2/templates/libcoveweb2/show_json_value.html b/libcoveweb2/templates/libcoveweb2/show_json_value.html
new file mode 100644
index 0000000..98cba3d
--- /dev/null
+++ b/libcoveweb2/templates/libcoveweb2/show_json_value.html
@@ -0,0 +1,7 @@
+{% load cove_tags %}
+
+{% if value|get_variable_type == 'str' %}
+    "{{ value }}"
+{% else %}
+    {{ value }}
+{% endif %}
diff --git a/libcoveweb2/templatetags/cove_tags.py b/libcoveweb2/templatetags/cove_tags.py
index 05cb9f9..0cbff92 100644
--- a/libcoveweb2/templatetags/cove_tags.py
+++ b/libcoveweb2/templatetags/cove_tags.py
@@ -64,3 +64,8 @@ def take_or_sample(population, k):
 @register.filter(name="list_from_attribute")
 def list_from_attribute(list_of_dicts, key_name):
     return [value[key_name] for value in list_of_dicts]
+
+
+@register.filter(name="get_variable_type")
+def get_variable_type(value):
+    return type(value).__name__