diff --git a/wise-webapp/src/main/java/com/wisemapping/dao/LabelManager.java b/wise-webapp/src/main/java/com/wisemapping/dao/LabelManager.java
index c649a483..06684c12 100644
--- a/wise-webapp/src/main/java/com/wisemapping/dao/LabelManager.java
+++ b/wise-webapp/src/main/java/com/wisemapping/dao/LabelManager.java
@@ -3,6 +3,7 @@ package com.wisemapping.dao;
 import com.wisemapping.model.Label;
 import com.wisemapping.model.User;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 import java.util.List;
 
@@ -14,6 +15,10 @@ public interface LabelManager {
 
     @NotNull
     List<Label> getAllLabels(@NotNull final User user);
+
+    @Nullable
+    Label getLabelById(int id);
+
     @Nullable
     Label getLabelByTitle(@NotNull final String title, @NotNull final User user);
 }
diff --git a/wise-webapp/src/main/java/com/wisemapping/dao/LabelManagerImpl.java b/wise-webapp/src/main/java/com/wisemapping/dao/LabelManagerImpl.java
index 4ab997c8..8b5d561a 100644
--- a/wise-webapp/src/main/java/com/wisemapping/dao/LabelManagerImpl.java
+++ b/wise-webapp/src/main/java/com/wisemapping/dao/LabelManagerImpl.java
@@ -3,6 +3,7 @@ package com.wisemapping.dao;
 import com.wisemapping.model.Label;
 import com.wisemapping.model.User;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
 
 import java.util.List;
@@ -25,6 +26,13 @@ public class LabelManagerImpl extends HibernateDaoSupport
     public List<Label> getAllLabels(@NotNull final User user) {
         return getHibernateTemplate().find("from com.wisemapping.model.Label wisemapping where creator_id=?", user.getId());
     }
+
+    @Nullable
+    @Override
+    public Label getLabelById(int id) {
+        return getHibernateTemplate().get(Label.class, id);
+    }
+
     @Nullable
     @Override
     public Label getLabelByTitle(@NotNull String title, @NotNull final User user) {
@@ -35,4 +43,6 @@ public class LabelManagerImpl extends HibernateDaoSupport
         }
         return result;
     }
+
+
 }
diff --git a/wise-webapp/src/main/java/com/wisemapping/exceptions/LabelCouldNotFoundException.java b/wise-webapp/src/main/java/com/wisemapping/exceptions/LabelCouldNotFoundException.java
new file mode 100644
index 00000000..5be448b9
--- /dev/null
+++ b/wise-webapp/src/main/java/com/wisemapping/exceptions/LabelCouldNotFoundException.java
@@ -0,0 +1,19 @@
+package com.wisemapping.exceptions;
+
+import org.jetbrains.annotations.NotNull;
+
+public class LabelCouldNotFoundException extends ClientException {
+
+    private static final String MSG_KEY = "LABEL_CAN_NOT_BE_FOUND";
+
+    public LabelCouldNotFoundException(@NotNull String msg)
+    {
+        super(msg,Severity.FATAL);
+    }
+
+    @NotNull
+    @Override
+    protected String getMsgBundleKey() {
+        return MSG_KEY;
+    }
+}
diff --git a/wise-webapp/src/main/java/com/wisemapping/model/Mindmap.java b/wise-webapp/src/main/java/com/wisemapping/model/Mindmap.java
index 11578bf6..a818b633 100644
--- a/wise-webapp/src/main/java/com/wisemapping/model/Mindmap.java
+++ b/wise-webapp/src/main/java/com/wisemapping/model/Mindmap.java
@@ -44,6 +44,7 @@ public class Mindmap {
     private User lastEditor;
 
     private Set<Collaboration> collaborations = new HashSet<Collaboration>();
+    private Set<Label> labels = new HashSet<Label>();
 
     private User creator;
     private String tags;
@@ -118,6 +119,18 @@ public class Mindmap {
         collaborations.add(collaboration);
     }
 
+    @NotNull public Set<Label> getLabels() {
+        return labels;
+    }
+
+    public void setLabels(@NotNull final Set<Label> labels) {
+        this.labels = labels;
+    }
+
+    public void addLabel(@NotNull final Label label) {
+        this.labels.add(label);
+    }
+
     @Nullable
     public Collaboration findCollaboration(@NotNull Collaborator collaborator) {
         Collaboration result = null;
diff --git a/wise-webapp/src/main/java/com/wisemapping/rest/LabelController.java b/wise-webapp/src/main/java/com/wisemapping/rest/LabelController.java
index 1bd9d2b7..e04209ce 100644
--- a/wise-webapp/src/main/java/com/wisemapping/rest/LabelController.java
+++ b/wise-webapp/src/main/java/com/wisemapping/rest/LabelController.java
@@ -1,12 +1,18 @@
 package com.wisemapping.rest;
 
+import com.wisemapping.exceptions.LabelCouldNotFoundException;
+import com.wisemapping.exceptions.MapCouldNotFoundException;
 import com.wisemapping.exceptions.WiseMappingException;
 import com.wisemapping.model.Label;
+import com.wisemapping.model.Mindmap;
 import com.wisemapping.model.User;
 import com.wisemapping.rest.model.RestLabel;
 import com.wisemapping.rest.model.RestLabelList;
+import com.wisemapping.rest.model.RestMindmapInfo;
+import com.wisemapping.rest.model.RestMindmapList;
 import com.wisemapping.security.Utils;
 import com.wisemapping.service.LabelService;
+import com.wisemapping.service.MindmapService;
 import com.wisemapping.validator.LabelValidator;
 import org.jetbrains.annotations.NotNull;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -15,6 +21,7 @@ import org.springframework.http.HttpStatus;
 import org.springframework.stereotype.Controller;
 import org.springframework.validation.BeanPropertyBindingResult;
 import org.springframework.validation.BindingResult;
+import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;
@@ -22,7 +29,6 @@ import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.ResponseStatus;
 
 import javax.servlet.http.HttpServletResponse;
-import java.util.ArrayList;
 import java.util.List;
 
 @Controller
@@ -31,6 +37,9 @@ public class LabelController extends BaseController {
     @Qualifier("labelService")
     @Autowired
     private LabelService labelService;
+    @Qualifier("mindmapService")
+    @Autowired
+    private MindmapService mindmapService;
 
 
     @RequestMapping(method = RequestMethod.POST, value = "/labels", consumes = {"application/json"})
@@ -45,7 +54,7 @@ public class LabelController extends BaseController {
 
         // Validate ...
         final BindingResult result = new BeanPropertyBindingResult(restLabel, "");
-        new LabelValidator().validate(label, result);
+        new LabelValidator(labelService).validate(label, result);
         if (result.hasErrors()) {
             throw new ValidationException(result);
         }
@@ -67,4 +76,20 @@ public class LabelController extends BaseController {
         return new RestLabelList(all);
     }
 
+    @RequestMapping(method = RequestMethod.PUT, value = "/labels/{id}/maps", consumes = {"text/plain"})
+    @ResponseStatus(value = HttpStatus.NO_CONTENT)
+    public void linkToMindMaps(@PathVariable int id, @RequestBody String ids) throws WiseMappingException {
+        final Label label = labelService.getLabelById(id);
+        if (label == null) {
+            throw new LabelCouldNotFoundException("Label could not be found. Id: " + id);
+        }
+        for (String mindmapId : ids.split(",")) {
+            final Mindmap mindmap = mindmapService.findMindmapById(Integer.parseInt(mindmapId));
+            if (mindmap == null) {
+                throw new MapCouldNotFoundException("Map could not be found. Id:" + id);
+            }
+            mindmap.addLabel(label);
+            mindmapService.updateMindmap(mindmap, false);
+        }
+    }
 }
diff --git a/wise-webapp/src/main/java/com/wisemapping/rest/model/RestMindmapList.java b/wise-webapp/src/main/java/com/wisemapping/rest/model/RestMindmapList.java
index 2c86d563..e45f9ecf 100644
--- a/wise-webapp/src/main/java/com/wisemapping/rest/model/RestMindmapList.java
+++ b/wise-webapp/src/main/java/com/wisemapping/rest/model/RestMindmapList.java
@@ -48,7 +48,7 @@ public class RestMindmapList {
     }
 
     public RestMindmapList(@NotNull List<Mindmap> mindmaps, @NotNull Collaborator collaborator) {
-        this.mindmapsInfo = new ArrayList<RestMindmapInfo>();
+        this.mindmapsInfo = new ArrayList<>(mindmaps.size());
         for (Mindmap mindMap : mindmaps) {
             this.mindmapsInfo.add(new RestMindmapInfo(mindMap, collaborator));
         }
diff --git a/wise-webapp/src/main/java/com/wisemapping/service/LabelService.java b/wise-webapp/src/main/java/com/wisemapping/service/LabelService.java
index 914f8a85..95e86c12 100644
--- a/wise-webapp/src/main/java/com/wisemapping/service/LabelService.java
+++ b/wise-webapp/src/main/java/com/wisemapping/service/LabelService.java
@@ -4,6 +4,7 @@ import com.wisemapping.exceptions.WiseMappingException;
 import com.wisemapping.model.Label;
 import com.wisemapping.model.User;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 import java.util.List;
 
@@ -12,5 +13,9 @@ public interface LabelService {
     void addLabel(@NotNull final Label label, @NotNull final User user) throws WiseMappingException;
 
     @NotNull List<Label> getAll(@NotNull final User user);
+
+    @Nullable
+    Label getLabelById(int id);
+
     public Label getLabelByTitle(@NotNull String title, @NotNull final User user);
 }
diff --git a/wise-webapp/src/main/java/com/wisemapping/service/LabelServiceImpl.java b/wise-webapp/src/main/java/com/wisemapping/service/LabelServiceImpl.java
index 6218da86..d166261c 100644
--- a/wise-webapp/src/main/java/com/wisemapping/service/LabelServiceImpl.java
+++ b/wise-webapp/src/main/java/com/wisemapping/service/LabelServiceImpl.java
@@ -5,6 +5,7 @@ import com.wisemapping.exceptions.WiseMappingException;
 import com.wisemapping.model.Label;
 import com.wisemapping.model.User;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 import java.util.List;
 
@@ -29,6 +30,11 @@ public class LabelServiceImpl implements LabelService {
         return labelManager.getAllLabels(user);
     }
 
+    @Override @Nullable
+    public Label getLabelById(int id) {
+        return labelManager.getLabelById(id);
+    }
+
     @Nullable
     @Override
     public Label getLabelByTitle(@NotNull String title, @NotNull final User user) {
diff --git a/wise-webapp/src/main/resources/com/wisemapping/model/Mindmap.hbm.xml b/wise-webapp/src/main/resources/com/wisemapping/model/Mindmap.hbm.xml
index ce0ad849..4033a575 100644
--- a/wise-webapp/src/main/resources/com/wisemapping/model/Mindmap.hbm.xml
+++ b/wise-webapp/src/main/resources/com/wisemapping/model/Mindmap.hbm.xml
@@ -25,6 +25,13 @@
             <key column="mindmap_id" not-null="true"/>
             <one-to-many class="com.wisemapping.model.Collaboration"/>
         </set>
+
+        <set name = "labels"
+             table="R_LABEL_MINDMAP"
+             cascade="all,delete-orphan,save-update">
+            <key column="mindmap_id" not-null="true"/>
+            <many-to-many column="label_id" class="com.wisemapping.model.Label"/>
+        </set>
     </class>
 
 </hibernate-mapping>
\ No newline at end of file
diff --git a/wise-webapp/src/main/resources/messages_en.properties b/wise-webapp/src/main/resources/messages_en.properties
index 4ce7cda4..63800dd0 100644
--- a/wise-webapp/src/main/resources/messages_en.properties
+++ b/wise-webapp/src/main/resources/messages_en.properties
@@ -252,6 +252,7 @@ CONTACT_US=Contact Us
 CAPTCHA_LOADING_ERROR=ReCaptcha could not be loaded. You must have access to Google ReCaptcha service.
 ACCESS_HAS_BEEN_REVOKED= Upps. your access permissions to this map has been revoked. Contact map owner.
 MAP_CAN_NOT_BE_FOUND= Upps. The map can not be found. It must have been deleted.
+LABEL_CAN_NOT_BE_FOUND= Upps. The label can not be found. It must have been deleted.
 LICENSE=License
 WELCOME_TO_WISEMAPPING=Welcome to WiseMapping
 WELCOME_DETAILS=WiseMapping will enable you to create and read your mind maps everywhere. With WiseMapping you can: <ul><li>Embed mind map it in web pages and blogs</li><li>Link mind map and documents</li><li>Share your maps with friend and colleagues</li><li>Export your maps SVG,PNG,JPG and FreeMind</li></ul>.