diff --git a/src/Cmd.h b/src/Cmd.h
index 73a95b75c..15ff7aaa8 100644
--- a/src/Cmd.h
+++ b/src/Cmd.h
@@ -39,6 +39,9 @@ public:
   Cmd (const std::string&);    // Default constructor
   ~Cmd ();                     // Destructor
 
+  Cmd (const Cmd&);
+  Cmd& operator= (const Cmd&);
+
   bool valid            (const std::string&);
   bool validCustom      (const std::string&);
   void parse            (const std::string&);
diff --git a/src/Config.h b/src/Config.h
index 6b7983df3..b1a3f518c 100644
--- a/src/Config.h
+++ b/src/Config.h
@@ -37,6 +37,9 @@ public:
   Config ();
   Config (const std::string&);
 
+  Config (const Config&);
+  Config& operator= (const Config&);
+
   bool load (const std::string&);
   void createDefault (const std::string&);
   void setDefaults ();
diff --git a/src/Context.h b/src/Context.h
index 621df030f..da55ec719 100644
--- a/src/Context.h
+++ b/src/Context.h
@@ -43,6 +43,9 @@ public:
   Context ();                          // Default constructor
   ~Context ();                         // Destructor
 
+  Context (const Context&);
+  Context& operator= (const Context&);
+
   void initialize (int, char**);       // all startup
   void initialize ();                  // for reinitializing
   int run ();                          // task classic
diff --git a/src/Grid.h b/src/Grid.h
index 7160426b0..34a4d8281 100644
--- a/src/Grid.h
+++ b/src/Grid.h
@@ -45,6 +45,9 @@ public:
     Cell (const double);
     Cell (const std::string&);
 
+    Cell (const Cell&);
+    Cell& operator= (const Cell&);
+
     operator bool () const;
     operator char () const;
     operator int () const;
@@ -72,6 +75,9 @@ public:
   Grid ();
   ~Grid ();
 
+  Grid (const Grid&);
+  Grid& operator= (const Grid&);
+
   void add (const unsigned int, const unsigned int, const bool);
   void add (const unsigned int, const unsigned int, const char);
   void add (const unsigned int, const unsigned int, const int);
diff --git a/src/Sequence.h b/src/Sequence.h
index f5342000f..b7d864d4c 100644
--- a/src/Sequence.h
+++ b/src/Sequence.h
@@ -39,6 +39,9 @@ public:
   Sequence (const std::string&);         // Parse
   ~Sequence ();                          // Destructor
 
+  Sequence (const Sequence&);
+  Sequence& operator= (const Sequence&);
+
   bool valid (const std::string&) const;
   void parse (const std::string&);
   void combine (const Sequence&);
diff --git a/src/StringTable.h b/src/StringTable.h
index e07046665..9e9d45736 100644
--- a/src/StringTable.h
+++ b/src/StringTable.h
@@ -36,6 +36,9 @@ public:
   StringTable ();                                       // Default constructor
   ~StringTable ();                                      // Destructor
 
+  StringTable (const StringTable&);
+  StringTable& operator= (const StringTable&);
+
   void load (const std::string&);
   std::string get (int, const std::string&);
 };
diff --git a/src/TDB.h b/src/TDB.h
index 29ba29928..3ca81c404 100644
--- a/src/TDB.h
+++ b/src/TDB.h
@@ -43,6 +43,9 @@ public:
   TDB ();  // Default constructor
   ~TDB (); // Destructor
 
+  TDB (const TDB&);
+  TDB& operator= (const TDB&);
+
   void  clear ();
   void  location (const std::string&);
 
diff --git a/src/Table.h b/src/Table.h
index aed5587e1..872e52a50 100644
--- a/src/Table.h
+++ b/src/Table.h
@@ -52,6 +52,9 @@ public:
            Table ();
   virtual ~Table ();
 
+           Table (const Table&);
+           Table& operator= (const Table&);
+
            void setTableColor (Text::color, Text::color);
            void setTableFg (Text::color);
            void setTableBg (Text::color);
diff --git a/src/Timer.h b/src/Timer.h
index 6b561aac2..db206a723 100644
--- a/src/Timer.h
+++ b/src/Timer.h
@@ -35,6 +35,8 @@ class Timer
 public:
   Timer (const std::string&);
   ~Timer ();
+  Timer (const Timer&);
+  Timer& operator= (const Timer&);
 
 private:
   std::string mDescription;