diff --git a/calendar/teachingdates/calendars/basecalendar.py b/calendar/teachingdates/calendars/basecalendar.py
index bf84bae..9c121d0 100644
--- a/calendar/teachingdates/calendars/basecalendar.py
+++ b/calendar/teachingdates/calendars/basecalendar.py
@@ -2,6 +2,7 @@
 import datetime
 
 import jinja2
+from num2words import num2words
 
 from teachingdates import PROG
 
@@ -14,6 +15,34 @@
     "xml": "xml",
 }
 
+filters = {
+    "isteaching": lambda w: isinstance(w, TeachingWeek),
+    "isbreak": lambda w: isinstance(w, BreakWeek),
+    "eow": lambda d, o: d + datetime.timedelta(days=o),
+    "pad": lambda s, n: str(s).rjust(n),
+    "num2words": lambda s: num2words(str(s)).title().replace("-", "")
+}
+
+env = jinja2.Environment(
+    loader=jinja2.PackageLoader("teachingdates", "templates"),
+    autoescape=jinja2.select_autoescape(["html", "xml"]))
+
+latex_env = jinja2.Environment(
+    block_start_string="\\BLOCK{",
+    block_end_string="}",
+    variable_start_string="\\VAR{",
+    variable_end_string="}",
+    comment_start_string="\\#{",
+    comment_end_string="}",
+    line_statement_prefix="%%",
+    line_comment_prefix="%#",
+    trim_blocks=True,
+    autoescape=False,
+    loader=jinja2.PackageLoader("teachingdates", "templates"))
+
+env.filters.update(filters)
+latex_env.filters.update(filters)
+
 
 class TeachingCalendar():
     """This class generates teaching-related dates for a specific paper
@@ -26,31 +55,26 @@
     skipped_lectures = []
     mondays = []
     period = None
+    period_name = None
     paper = None
     end_of_week = None
     year = datetime.date.today().year
-    env = jinja2.Environment(
-        loader=jinja2.PackageLoader("teachingdates", "templates"),
-        autoescape=jinja2.select_autoescape(["html", "xml"]))
 
     def __init__(self,
                  year,
                  period,
                  paper,
+                 period_name="ISO",
                  end_of_week=None,
                  period_config=None,
                  paper_config=None):
         self.year = year
         self.period = period
+        self.period_name = period_name.replace(" ", "")
         self.paper = paper
         self.end_of_week = end_of_week
 
-        self.env.filters.update({
-            "isteaching": lambda w: isinstance(w, TeachingWeek),
-            "isbreak": lambda w: isinstance(w, BreakWeek),
-            "eow": lambda d: d + datetime.timedelta(days=self.end_of_week),
-            "pad": lambda s, n: str(s).rjust(n)
-        })
+        # self.env.filters.update(filters)
 
         # This is likely to end up with one week too many at the end,
         # but that doesn't matter as there will never be any teaching
@@ -70,9 +94,13 @@
     @classmethod
     def from_configuration(cls, config):
         if config:
-            return cls(config.year, config.period, config.paper,
-                       config.end_of_week, config.get_period_config(),
-                       config.get_paper_config())
+            return cls(config.year,
+                       config.period,
+                       config.paper,
+                       period_name=config.period_name,
+                       end_of_week=config.end_of_week,
+                       period_config=config.get_period_config(),
+                       paper_config=config.get_paper_config())
         else:
             return None
 
@@ -148,8 +176,12 @@
 
     def render(self, style, fmt):
         suffix = suffix_map[fmt]
-        template = self.env.get_template("{style}.{suffix}.j2".format(
-            style=style, suffix=suffix))
+        if fmt == "latex":
+            template = latex_env.get_template("{style}.{suffix}.j2".format(
+                style=style, suffix=suffix))
+        else:
+            template = env.get_template("{style}.{suffix}.j2".format(
+                style=style, suffix=suffix))
         if style in ["calendar", "iso"]:
             data = self.calendar()
         elif style == "lecture":
@@ -157,6 +189,8 @@
         else:
             pass
         return template.render(period=self.period,
+                               period_name=self.period_name,
                                year=self.year,
                                paper=self.paper,
+                               end_of_week=self.end_of_week,
                                data=data)