diff --git a/applications/utilities/mesh/manipulation/topoSet/topoSet.C b/applications/utilities/mesh/manipulation/topoSet/topoSet.C
index d794ae342d..18466603b3 100644
--- a/applications/utilities/mesh/manipulation/topoSet/topoSet.C
+++ b/applications/utilities/mesh/manipulation/topoSet/topoSet.C
@@ -140,6 +140,23 @@ int main(int argc, char *argv[])
             case topoSetSource::NEW:
             case topoSetSource::ADD:
             case topoSetSource::DELETE:
+            {
+                Info<< "    Applying source " << word(dict.lookup("source"))
+                    << endl;
+                autoPtr<topoSetSource> source = topoSetSource::New
+                (
+                    dict.lookup("source"),
+                    mesh,
+                    dict.subDict("sourceInfo")
+                );
+
+                source().applyToSet(action, currentSet());
+                // Synchronize for coupled patches.
+                currentSet().sync(mesh);
+                currentSet().write();
+            }
+            break;
+
             case topoSetSource::SUBSET:
             {
                 Info<< "    Applying source " << word(dict.lookup("source"))
@@ -148,10 +165,26 @@ int main(int argc, char *argv[])
                 (
                     dict.lookup("source"),
                     mesh,
-                    dict.subDict("sourceDict")
+                    dict.subDict("sourceInfo")
                 );
 
-                source().applyToSet(action, currentSet());
+                // Backup current set.
+                autoPtr<topoSet> oldSet
+                (
+                    topoSet::New
+                    (
+                        setType,
+                        mesh,
+                        currentSet().name() + "_old2",
+                        currentSet()
+                    )
+                );
+
+                currentSet().clear();
+                source().applyToSet(topoSetSource::NEW, currentSet());
+
+                // Combine new value of currentSet with old one.
+                currentSet().subset(oldSet());
                 // Synchronize for coupled patches.
                 currentSet().sync(mesh);
                 currentSet().write();
diff --git a/applications/utilities/mesh/manipulation/topoSet/topoSetDict b/applications/utilities/mesh/manipulation/topoSet/topoSetDict
index ff487c6e64..40afc5ecb9 100644
--- a/applications/utilities/mesh/manipulation/topoSet/topoSetDict
+++ b/applications/utilities/mesh/manipulation/topoSet/topoSetDict
@@ -301,31 +301,61 @@ FoamFile
 
 actions
 (
+    // Example:pick up internal faces on outside of cellSet
+    // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    // Load initial cellSet
     {
         name    c0;
         type    cellSet;
         action  new;
         source labelToCell;
-        sourceDict
+        sourceInfo
         {
             value (12 13 56);
         }
     }
 
+    // Get all faces in cellSet
     {
-        name    c0;
+        name    f0;
+        type    faceSet;
+        action  new;
+        source  cellToFace;
+        sourceInfo
+        {
+            set     c0;
+            option  all;
+        }
+    }
+
+    // Determine inverse cellSet
+    {
+        name    c1;
+        type    cellSet;
+        action  new;
+        source  cellToCell;
+        sourceInfo
+        {
+            set c0;
+        }
+    }
+    {
+        name    c1;
         type    cellSet;
         action  invert;
     }
 
+    // Keep in f0 all faces in c1
     {
-        name    c0;
-        type    cellSet;
-        action  delete;
-        source labelToCell;
-        sourceDict
+        name    f0;
+        type    faceSet;
+        action  subset;
+        source  cellToFace;
+        sourceInfo
         {
-            value (1 2 3);
+            set     c1;
+            option  all;
         }
     }
 );
diff --git a/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/system/topoSetDict b/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/system/topoSetDict
index ccaf0363cd..814c5a8f9e 100644
--- a/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/system/topoSetDict
+++ b/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/system/topoSetDict
@@ -23,7 +23,7 @@ actions
         action new;
 
         source sphereToCell;
-        sourceDict
+        sourceInfo
         {
             centre          ( 0.125 0.375 0.05 );
             radius          0.005;
diff --git a/tutorials/multiphase/cavitatingFoam/les/throttle/system/topoSetDict.1 b/tutorials/multiphase/cavitatingFoam/les/throttle/system/topoSetDict.1
index 1e1592ee39..99b65f210c 100644
--- a/tutorials/multiphase/cavitatingFoam/les/throttle/system/topoSetDict.1
+++ b/tutorials/multiphase/cavitatingFoam/les/throttle/system/topoSetDict.1
@@ -22,7 +22,7 @@ actions
         type            cellSet;
         action          new;
         source          boxToCell;
-        sourceDict
+        sourceInfo
         {
             box (0.004 -0.001 -1) (0.012 0.001 1);
         }
diff --git a/tutorials/multiphase/cavitatingFoam/les/throttle/system/topoSetDict.2 b/tutorials/multiphase/cavitatingFoam/les/throttle/system/topoSetDict.2
index ab0289c156..f0bc41c9b6 100644
--- a/tutorials/multiphase/cavitatingFoam/les/throttle/system/topoSetDict.2
+++ b/tutorials/multiphase/cavitatingFoam/les/throttle/system/topoSetDict.2
@@ -22,7 +22,7 @@ actions
         type            cellSet;
         action          new;
         source          boxToCell;
-        sourceDict
+        sourceInfo
         {
             box (0.0045 -0.00075 -1) (0.0095 0.00075 1);
         }
diff --git a/tutorials/multiphase/cavitatingFoam/les/throttle/system/topoSetDict.3 b/tutorials/multiphase/cavitatingFoam/les/throttle/system/topoSetDict.3
index 3e504e9aef..fd1ed7949f 100644
--- a/tutorials/multiphase/cavitatingFoam/les/throttle/system/topoSetDict.3
+++ b/tutorials/multiphase/cavitatingFoam/les/throttle/system/topoSetDict.3
@@ -22,7 +22,7 @@ actions
         type            cellSet;
         action          new;
         source          boxToCell;
-        sourceDict
+        sourceInfo
         {
             box (0.00475 -0.000375 -1) (0.009 0.000375 1);
         }
diff --git a/tutorials/multiphase/cavitatingFoam/les/throttle3D/system/topoSetDict.1 b/tutorials/multiphase/cavitatingFoam/les/throttle3D/system/topoSetDict.1
index cd2329f57d..5fb3df6565 100644
--- a/tutorials/multiphase/cavitatingFoam/les/throttle3D/system/topoSetDict.1
+++ b/tutorials/multiphase/cavitatingFoam/les/throttle3D/system/topoSetDict.1
@@ -22,7 +22,7 @@ actions
         type            cellSet;
         action          new;
         source          boxToCell;
-        sourceDict
+        sourceInfo
         {
             box ( 0.004 -0.001 -1 ) ( 0.012 0.001 1 );
         }
diff --git a/tutorials/multiphase/cavitatingFoam/les/throttle3D/system/topoSetDict.2 b/tutorials/multiphase/cavitatingFoam/les/throttle3D/system/topoSetDict.2
index a8a80dff4d..59c77c8d37 100644
--- a/tutorials/multiphase/cavitatingFoam/les/throttle3D/system/topoSetDict.2
+++ b/tutorials/multiphase/cavitatingFoam/les/throttle3D/system/topoSetDict.2
@@ -22,7 +22,7 @@ actions
         type            cellSet;
         action          new;
         source          boxToCell;
-        sourceDict
+        sourceInfo
         {
             box ( 0.0045 -0.00075 -1 ) ( 0.0095 0.00075 1 );
         }
diff --git a/tutorials/multiphase/cavitatingFoam/les/throttle3D/system/topoSetDict.3 b/tutorials/multiphase/cavitatingFoam/les/throttle3D/system/topoSetDict.3
index 67021ba219..1dcc0ebc3f 100644
--- a/tutorials/multiphase/cavitatingFoam/les/throttle3D/system/topoSetDict.3
+++ b/tutorials/multiphase/cavitatingFoam/les/throttle3D/system/topoSetDict.3
@@ -22,7 +22,7 @@ actions
         type            cellSet;
         action          new;
         source          boxToCell;
-        sourceDict
+        sourceInfo
         {
             box ( 0.00475 -0.000375 -1 ) ( 0.009 0.000375 1 );
         }
diff --git a/tutorials/multiphase/cavitatingFoam/ras/throttle/system/topoSetDict b/tutorials/multiphase/cavitatingFoam/ras/throttle/system/topoSetDict
index 30e3ea0006..e833aa533b 100644
--- a/tutorials/multiphase/cavitatingFoam/ras/throttle/system/topoSetDict
+++ b/tutorials/multiphase/cavitatingFoam/ras/throttle/system/topoSetDict
@@ -22,7 +22,7 @@ actions
         type    cellSet;
         action  new;
         source  boxToCell;
-        sourceDict
+        sourceInfo
         {
             box ( 0.00475 -0.000375 -1 ) ( 0.009 0.000375 1 ) ;
         }
diff --git a/tutorials/multiphase/cavitatingFoam/ras/throttle/system/topoSetDict.1 b/tutorials/multiphase/cavitatingFoam/ras/throttle/system/topoSetDict.1
index 01e4f46a66..cfb66b9b72 100644
--- a/tutorials/multiphase/cavitatingFoam/ras/throttle/system/topoSetDict.1
+++ b/tutorials/multiphase/cavitatingFoam/ras/throttle/system/topoSetDict.1
@@ -22,7 +22,7 @@ actions
         type    cellSet;
         action  new;
         source  boxToCell;
-        sourceDict
+        sourceInfo
         {
             box ( 0.004 -0.001 -1 ) ( 0.012 0.001 1 ) ;
         }
diff --git a/tutorials/multiphase/cavitatingFoam/ras/throttle/system/topoSetDict.2 b/tutorials/multiphase/cavitatingFoam/ras/throttle/system/topoSetDict.2
index 20bc81f6ba..d3cf8a3aeb 100644
--- a/tutorials/multiphase/cavitatingFoam/ras/throttle/system/topoSetDict.2
+++ b/tutorials/multiphase/cavitatingFoam/ras/throttle/system/topoSetDict.2
@@ -22,7 +22,7 @@ actions
         type    cellSet;
         action  new;
         source  boxToCell;
-        sourceDict
+        sourceInfo
         {
             box ( 0.0045 -0.00075 -1 ) ( 0.0095 0.00075 1 ) ;
         }
diff --git a/tutorials/multiphase/cavitatingFoam/ras/throttle/system/topoSetDict.3 b/tutorials/multiphase/cavitatingFoam/ras/throttle/system/topoSetDict.3
index 30e3ea0006..e833aa533b 100644
--- a/tutorials/multiphase/cavitatingFoam/ras/throttle/system/topoSetDict.3
+++ b/tutorials/multiphase/cavitatingFoam/ras/throttle/system/topoSetDict.3
@@ -22,7 +22,7 @@ actions
         type    cellSet;
         action  new;
         source  boxToCell;
-        sourceDict
+        sourceInfo
         {
             box ( 0.00475 -0.000375 -1 ) ( 0.009 0.000375 1 ) ;
         }
diff --git a/tutorials/multiphase/interDyMFoam/ras/floatingObject/system/topoSetDict b/tutorials/multiphase/interDyMFoam/ras/floatingObject/system/topoSetDict
index c696d169b4..7fdf7ca03a 100644
--- a/tutorials/multiphase/interDyMFoam/ras/floatingObject/system/topoSetDict
+++ b/tutorials/multiphase/interDyMFoam/ras/floatingObject/system/topoSetDict
@@ -22,7 +22,7 @@ actions
         type cellSet;
         action new;
         source boxToCell;
-        sourceDict
+        sourceInfo
         {
            box   (0.35 0.35 0.44) (0.65 0.65 0.56);
         }
diff --git a/tutorials/multiphase/interFoam/MRFInterFoam/mixerVessel2D/system/topoSetDict b/tutorials/multiphase/interFoam/MRFInterFoam/mixerVessel2D/system/topoSetDict
index b89e6319bf..a36ee3b31a 100644
--- a/tutorials/multiphase/interFoam/MRFInterFoam/mixerVessel2D/system/topoSetDict
+++ b/tutorials/multiphase/interFoam/MRFInterFoam/mixerVessel2D/system/topoSetDict
@@ -23,7 +23,7 @@ actions
         type            cellSet;
         action          new;
         source          zoneToCell;
-        sourceDict
+        sourceInfo
         {
             name rotor;
         }
diff --git a/tutorials/multiphase/interFoam/les/nozzleFlow2D/system/topoSetDict b/tutorials/multiphase/interFoam/les/nozzleFlow2D/system/topoSetDict
index cf1a5033eb..e6dc5a0687 100644
--- a/tutorials/multiphase/interFoam/les/nozzleFlow2D/system/topoSetDict
+++ b/tutorials/multiphase/interFoam/les/nozzleFlow2D/system/topoSetDict
@@ -22,7 +22,7 @@ actions
         type    cellSet;
         action  new;
         source  boxToCell;
-        sourceDict
+        sourceInfo
         {
             box ( 0 0 -2e-05 ) ( 0.0036 0.0003 2e-05 );
         }
diff --git a/tutorials/multiphase/interFoam/les/nozzleFlow2D/system/topoSetDict.1 b/tutorials/multiphase/interFoam/les/nozzleFlow2D/system/topoSetDict.1
index 5c87356b4a..02ae84ba2d 100644
--- a/tutorials/multiphase/interFoam/les/nozzleFlow2D/system/topoSetDict.1
+++ b/tutorials/multiphase/interFoam/les/nozzleFlow2D/system/topoSetDict.1
@@ -22,7 +22,7 @@ actions
         type    cellSet;
         action  new;
         source  boxToCell;
-        sourceDict
+        sourceInfo
         {
             box ( 0 0 -2e-05 ) ( 0.0036 0.0008 4e-05 ) ;
         }
diff --git a/tutorials/multiphase/interFoam/les/nozzleFlow2D/system/topoSetDict.2 b/tutorials/multiphase/interFoam/les/nozzleFlow2D/system/topoSetDict.2
index cf1a5033eb..e6dc5a0687 100644
--- a/tutorials/multiphase/interFoam/les/nozzleFlow2D/system/topoSetDict.2
+++ b/tutorials/multiphase/interFoam/les/nozzleFlow2D/system/topoSetDict.2
@@ -22,7 +22,7 @@ actions
         type    cellSet;
         action  new;
         source  boxToCell;
-        sourceDict
+        sourceInfo
         {
             box ( 0 0 -2e-05 ) ( 0.0036 0.0003 2e-05 );
         }