diff --git a/db_repository/versions/004_istrained.py b/db_repository/versions/004_istrained.py
new file mode 100644
index 0000000..271d698
--- /dev/null
+++ b/db_repository/versions/004_istrained.py
@@ -0,0 +1,35 @@
+from sqlalchemy import *
+from migrate import *
+
+
+from migrate.changeset import schema
+pre_meta = MetaData()
+post_meta = MetaData()
+threads = Table('threads', post_meta,
+    Column('created_at', TIMESTAMP, nullable=False),
+    Column('updated_at', TIMESTAMP, nullable=False),
+    Column('id', Integer, primary_key=True, nullable=False),
+    Column('firstmail', Integer),
+    Column('date', DateTime),
+    Column('islabeled', Boolean),
+    Column('istrained', Boolean),
+    Column('opened', Boolean),
+    Column('body', Text),
+    Column('maintopic', String),
+)
+
+
+def upgrade(migrate_engine):
+    # Upgrade operations go here. Don't create your own engine; bind
+    # migrate_engine to your metadata
+    pre_meta.bind = migrate_engine
+    post_meta.bind = migrate_engine
+    post_meta.tables['threads'].columns['istrained'].create()
+
+
+def downgrade(migrate_engine):
+    # Operations to reverse the above upgrade go here.
+    pre_meta.bind = migrate_engine
+    post_meta.bind = migrate_engine
+    post_meta.tables['threads'].columns['istrained'].drop()
+
diff --git a/flaskapp/__init__.py b/flaskapp/__init__.py
index b14876d..5899ea6 100644
--- a/flaskapp/__init__.py
+++ b/flaskapp/__init__.py
@@ -52,3 +52,9 @@ def store_answered(id, value):
 def studium():
     mth=db_session.query(MailThread).filter(MailThread.maintopic=="studium").order_by(desc(MailThread.date)).all()
     return render_index(mth) 
+
+
+@app.route("/<maintopic>")
+def maintopic(maintopic):
+    mth=db_session.query(MailThread).filter(MailThread.maintopic=="%s" % maintopic).order_by(desc(MailThread.date)).all()
+    return render_index(mth) 
diff --git a/flaskapp/templates/index.html b/flaskapp/templates/index.html
index d127712..dc96d23 100644
--- a/flaskapp/templates/index.html
+++ b/flaskapp/templates/index.html
@@ -31,7 +31,10 @@
 			    <div id="collapse{{m.firstmail}}" class="collapse" role="tabpanel" aria-labelledby="headingOne">
 
 				<div class="card-block">
-				    <div style="white-space: pre-wrap;font:Courier, monospace; font-size:small; width:50em; border: thin blue solid;">					{{ m.print_text() }}				    </div>
+				  {{m.maintopic}}
+				  <div style="white-space: pre-wrap;font:Courier, monospace; font-size:small; width:50em; border: thin blue solid;">
+				    {{ m.print_text() }}
+				  </div>
 				</div>
 			    </div>
 			</div>
diff --git a/requirements.txt b/requirements.txt
index 8141473..ca3cf0d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,5 +6,6 @@ numpy
 scipy
 bs4
 sqlalchemy
+sqlalchemy-migrate
 marshmallow
 PyYAML
diff --git a/storage/thread_model.py b/storage/thread_model.py
index 35641c4..79c3e63 100644
--- a/storage/thread_model.py
+++ b/storage/thread_model.py
@@ -25,6 +25,7 @@ class MailThread(Base):
     firstmail  = Column(Integer)
     date = Column(DateTime)
     islabeled = Column(Boolean)
+    istrained = Column(Boolean)
     opened = Column(Boolean)
     body = Column(Text)
     maintopic=Column(String)