diff --git a/sci-publications/src/main/java/org/scientificcms/publications/PublicationManager.java b/sci-publications/src/main/java/org/scientificcms/publications/PublicationManager.java
index d8b716d..ccaa73b 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/PublicationManager.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/PublicationManager.java
@@ -25,11 +25,14 @@ import javax.transaction.Transactional;
 @RequestScoped
 public class PublicationManager {
 
+    @Inject
+    private EntityManager entityManager;
+    
     @Inject
     private PublicationRepository publicationRepository;
 
     @Inject
-    private EntityManager entityManager;
+    private SeriesRepository seriesRepository;
 
     @AuthorizationRequired
     @RequiresPrivilege(ItemPrivileges.EDIT)
@@ -341,7 +344,7 @@ public class PublicationManager {
         volume.setSeries(series);
         volume.setVolumeOfSeries(volumeInSeries);
         publication.addSeries(volume);
-        series.addVolume(volumeInSeries);
+        series.addVolume(volume);
         seriesRepository.save(series);
         publicationRepository.save(publication);
     }
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/PublisherRepository.java b/sci-publications/src/main/java/org/scientificcms/publications/PublisherRepository.java
index 105601a..0138818 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/PublisherRepository.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/PublisherRepository.java
@@ -11,6 +11,7 @@ import java.util.List;
 import java.util.Optional;
 import java.util.UUID;
 
+import javax.enterprise.context.RequestScoped;
 import javax.persistence.NoResultException;
 import javax.transaction.Transactional;
 
@@ -18,6 +19,7 @@ import javax.transaction.Transactional;
  *
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
+@RequestScoped
 public class PublisherRepository
     extends AbstractEntityRepository<Long, Publisher> {
 
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/Series.java b/sci-publications/src/main/java/org/scientificcms/publications/Series.java
index 658371d..73c8327 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/Series.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/Series.java
@@ -24,6 +24,7 @@ import javax.persistence.Id;
 import javax.persistence.JoinColumn;
 import javax.persistence.JoinTable;
 import javax.persistence.NamedQueries;
+import javax.persistence.NamedQuery;
 import javax.persistence.OneToMany;
 import javax.persistence.Table;
 
@@ -36,7 +37,19 @@ import static org.scientificcms.publications.SciPublicationsConstants.*;
 @Entity
 @Table(name = "SERIES", schema = DB_SCHEMA)
 @Audited
-@NamedQueries({})
+@NamedQueries({
+    @NamedQuery(
+        name = "Series.findByUuid",
+        query = "SELECT s FROM Series s WHERE s.uuid = :uuid"
+    ),
+    @NamedQuery(
+        name = "Series.findByTitle",
+        query = "SELECT DISTINCT s "
+                    + "FROM Series s "
+                    + "JOIN s.title.values t "
+                    + "WHERE lower(t) LIKE CONCAT ('%', :title, '%')"
+    )
+})
 public class Series implements Serializable {
 
     private static final long serialVersionUID = 1L;
@@ -123,11 +136,11 @@ public class Series implements Serializable {
             return Collections.unmodifiableList(volumes);
         }
     }
-    
+
     protected void addVolume(final VolumeInSeries volume) {
         volumes.add(volume);
     }
-    
+
     protected void removeVolume(final VolumeInSeries volume) {
         volumes.remove(volume);
     }
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/SeriesRepository.java b/sci-publications/src/main/java/org/scientificcms/publications/SeriesRepository.java
new file mode 100644
index 0000000..1e48b60
--- /dev/null
+++ b/sci-publications/src/main/java/org/scientificcms/publications/SeriesRepository.java
@@ -0,0 +1,74 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.scientificcms.publications;
+
+import org.libreccm.core.AbstractEntityRepository;
+
+import java.util.List;
+import java.util.Optional;
+import java.util.UUID;
+
+import javax.enterprise.context.RequestScoped;
+import javax.persistence.NoResultException;
+import javax.transaction.Transactional;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+@RequestScoped
+public class SeriesRepository
+    extends AbstractEntityRepository<Long, Series> {
+
+    @Override
+    public Class<Series> getEntityClass() {
+        return Series.class;
+    }
+
+    @Override
+    public String getIdAttributeName() {
+        return "seriesId";
+    }
+
+    @Override
+    public Long getIdOfEntity(final Series entity) {
+        return entity.getSeriesId();
+    }
+
+    @Override
+    public boolean isNew(final Series entity) {
+        return entity.getSeriesId() == 0;
+    }
+
+    @Override
+    public void initNewEntity(final Series entity) {
+        entity.setUuid(UUID.randomUUID().toString());
+    }
+
+    @Transactional(Transactional.TxType.REQUIRED)
+    public Optional<Series> findByUuid(final String uuid) {
+        try {
+            return Optional.of(
+                getEntityManager()
+                    .createNamedQuery("Series.findByUuid", Series.class)
+                    .setParameter("uuid", uuid)
+                    .getSingleResult()
+            );
+        } catch (NoResultException ex) {
+            return Optional.empty();
+        }
+
+    }
+
+    @Transactional(Transactional.TxType.REQUIRED)
+    public List<Series> findByTitle(final String title) {
+        return getEntityManager()
+            .createNamedQuery("Series.findByTitle", Series.class)
+            .setParameter("title", title)
+            .getResultList();
+    }
+
+}