--- a/src/main/java/de/mpiwg/gazetteer/db/DBBook.java	Fri May 29 11:00:09 2015 +0200
+++ b/src/main/java/de/mpiwg/gazetteer/db/DBBook.java	Mon Jun 01 14:35:35 2015 +0200
@@ -3,9 +3,7 @@
 import java.sql.ResultSet;
 import java.sql.SQLException;
 
-import com.sun.istack.internal.logging.Logger;
-
-public class DBBook {
+public class DBBook implements Comparable<DBBook>{
 
 	private String id;
 	private String name;
@@ -25,7 +23,7 @@
 	private Integer start_year;
 	private Integer end_year;
 	private String comments;
-	private int toc_correction;
+	private Integer toc_correction;
 	
 	
 
@@ -53,6 +51,11 @@
 		this.toc_correction = rs.getInt("toc_correction");
 		
 	}
+	
+	@Override
+	public int compareTo(DBBook o) {
+		return this.getName().compareTo(o.getName());
+	}
 
 	public Integer getToc_correction() {
 		return toc_correction;