diff --git a/library/csvparser/csvparser.py b/library/csvparser/csvparser.py
index e4d8d8f..9e04266 100644
--- a/library/csvparser/csvparser.py
+++ b/library/csvparser/csvparser.py
@@ -1,3 +1,6 @@
+"""This parses the varlib.csv but only in a way
+that is actually useful for the site"""
+
 import csv
 import os
 
@@ -17,10 +20,14 @@ def getpublications():
         csv_as_dict = csv.DictReader(libcsv)
         publications = {}
         for row in csv_as_dict:
+            year = row["Year"]
+            if not year:
+                year = "Unknown"
             pubinfo = {
                 "Title": row["Publication"],
                 "Author": row["Author"],
                 "Type": row["Type"],
+                "Year": year,
             }
             publications[row["Id"]] = pubinfo
     return publications
@@ -44,8 +51,12 @@ def getyears():
         csv_as_dict = csv.DictReader(libcsv)
         listofyears = []
         for row in csv_as_dict:
-            if row["Year"] not in listofyears:
-                listofyears.append(row["Year"])
+            uniqueyear = row["Year"]
+            if not uniqueyear:
+                uniqueyear = "Unknown"
+            if uniqueyear not in listofyears:
+                listofyears.append(uniqueyear)
+    listofyears.sort()
     return listofyears
 
 
diff --git a/library/page.py b/library/page.py
index 642ee67..01a61ce 100644
--- a/library/page.py
+++ b/library/page.py
@@ -1,4 +1,4 @@
-"""This is the main flask page code"""
+"""This is the main flask library page"""
 
 
 import flask
@@ -11,8 +11,7 @@ APP = flask.Flask(__name__, static_folder="static")
 
 @APP.route("/")
 def index():
-    """Main route"""
-    # parse csv, render template with a few elements from the csv
+    """Main route, shows all the books and you can filter them, a bit"""
     pubtypes = gettypes()
     pubyears = getyears()
     publicatons = getpublications()
@@ -27,15 +26,14 @@ def index():
 
 @APP.route("/<publicationID>")
 def show_book(publicationID):
-    """route for a publication"""
+    """route for a publication, still needs to be made"""
     # parse csv, render template with full list.
     return render_template("publication.html")
 
 
 @APP.route("/<publication>")
 def upload_book(publication):
-    """upload a new book"""
-    #
+    """upload a new book, still needs to be made"""
     return render_template("upload.html")
 
 
diff --git a/library/templates/index.html b/library/templates/index.html
index c3f87c1..a8f64fa 100644
--- a/library/templates/index.html
+++ b/library/templates/index.html
@@ -7,7 +7,7 @@
 <div id="main">
 <ul>
 {% for id, pubinfo in publications.items() %}
-	<li class='filter {{ pubinfo["Type"] }}'><a href='{{ id }}'>{{ pubinfo["Author"] }} - {{ pubinfo["Title"] }}</a></li>
+	<li class='filter {{ pubinfo["Type"] }} {{ pubinfo["Year"] }}'><a href='{{ id }}'>{{ pubinfo["Author"] }} - {{ pubinfo["Title"] }}</a></li>
 {% endfor%}
 </ul>
 </div>
diff --git a/library/templates/menu.html b/library/templates/menu.html
index ae53c45..1190292 100644
--- a/library/templates/menu.html
+++ b/library/templates/menu.html
@@ -5,8 +5,16 @@
   <button class="dropbtn">Type</button>
    <div class="dropdown-content">
      {% for pubtype in pubtypes %}
-     	<button type="button" name="button" onclick="filterSelection('{{ pubtype.title() }}')" >{{ pubtype }}</button>
+     	<button type="button" name="button" onclick="filterSelection('{{ pubtype }}')" >{{ pubtype.title() }}</button>
      {% endfor %}
    </div>
  </div>
+ <div class="dropdown">
+   <button class="dropbtn">Year</button>
+    <div class="dropdown-content">
+      {% for pubyear in pubyears %}
+      	<button type="button" name="button" onclick="filterSelection('{{ pubyear }}')" >{{ pubyear }}</button>
+      {% endfor %}
+    </div>
+  </div>
 {% endblock menu %}