diff --git a/assets/static/style.css b/assets/static/style.css
index 4eb044d..b8ad94d 100644
--- a/assets/static/style.css
+++ b/assets/static/style.css
@@ -88,6 +88,10 @@ h2.page-title {
     font-weight: bold;
 }
 
+.bib-subtitle {
+    font-size: 0.9em;
+}
+
 .bib-author {
     font-size: 0.9em;
 }
diff --git a/models/book.ini b/models/book.ini
index 27a8e4c..d9414fa 100644
--- a/models/book.ini
+++ b/models/book.ini
@@ -6,6 +6,10 @@ label = {{ this.title }}
 label = Title
 type = string
 
+[fields.subtitle]
+label = Subtitle
+type = string
+
 [fields.author]
 label = Author
 type = string
@@ -29,7 +33,3 @@ type = string
 [fields.orig]
 label = Origin URL
 type = strings
-
-[fields.cache]
-label = Cached file name
-type = string
\ No newline at end of file
diff --git a/templates/bib.html b/templates/bib.html
index 93bd826..2056f5e 100644
--- a/templates/bib.html
+++ b/templates/bib.html
@@ -11,7 +11,8 @@
       {% for post in this.children %}
       <li class="bib">
         <span class="bib-title">{{ post.title }}</span>
-        <span class="bib-orig">{% if post.orig %}{% for item in post.orig %}({% set urls = item.split(", ") %}<a href="{{ urls[0] }}">{{ urls[0].split('https://')[1].split('/')[0] }}</a>{% if urls[1] %}, <a href="/lib/cache{{ post.parent.path }}/{{ urls[1] }}">cached</a>{% endif %}) {% endfor %}{% endif %}</span><br>
+        {% if post.orig %}<span class="bib-orig">{% for item in post.orig %}({% set urls = item.split(", ") %}{% for url in urls %}{% if "https://" in url %}<a href="{{ url }}">{{ url.split('https://')[1].split('/')[0] }}</a>{% else %}<a href="/lib/cache{{ post.parent.path }}/{{ url }}">cached</a>{% endif %}{% if not loop.last %}, {% endif %}{% endfor %}) {% endfor %}</span><br>{% endif %}
+        {% if post.subtitle %}<span class="bib-subtitle">"{{ post.subtitle }}"</span><br>{% endif %}
         {% if post.author %}<span class="bib-author">by {{ post.author }}</span><br>{% endif %}
         {% if post.publisher %}<span class="bib-publisher">{{ post.publisher}}, </span>{% endif %}<span class="bib-pubdate">{{ post.pub_date }}</span>
       </li>