diff --git a/TShockAPI/ItemManager.cs b/TShockAPI/ItemManager.cs
index e1c2b97c..e78adea7 100644
--- a/TShockAPI/ItemManager.cs
+++ b/TShockAPI/ItemManager.cs
@@ -1,4 +1,22 @@
-using System;
+/*   
+TShock, a server mod for Terraria
+Copyright (C) 2011 The TShock Team
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
diff --git a/TShockAPI/RegionManager.cs b/TShockAPI/RegionManager.cs
index 4d48fb8c..8d29309b 100644
--- a/TShockAPI/RegionManager.cs
+++ b/TShockAPI/RegionManager.cs
@@ -1,4 +1,22 @@
-using System;
+/*   
+TShock, a server mod for Terraria
+Copyright (C) 2011 The TShock Team
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
diff --git a/TShockAPI/RememberPosManager.cs b/TShockAPI/RememberPosManager.cs
index bcab39c8..e6a94615 100644
--- a/TShockAPI/RememberPosManager.cs
+++ b/TShockAPI/RememberPosManager.cs
@@ -1,4 +1,22 @@
-using System;
+/*   
+TShock, a server mod for Terraria
+Copyright (C) 2011 The TShock Team
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
diff --git a/TShockAPI/WarpsManager.cs b/TShockAPI/WarpsManager.cs
index 5ab2f73e..a034587a 100644
--- a/TShockAPI/WarpsManager.cs
+++ b/TShockAPI/WarpsManager.cs
@@ -1,4 +1,22 @@
-using System;
+/*   
+TShock, a server mod for Terraria
+Copyright (C) 2011 The TShock Team
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;