diff --git a/CD/SectorBuilder.cs b/CD/SectorBuilder.cs
index 91891cc4e..37ce30c4d 100644
--- a/CD/SectorBuilder.cs
+++ b/CD/SectorBuilder.cs
@@ -1,3 +1,31 @@
+// /***************************************************************************
+// Aaru Data Preservation Suite
+// ----------------------------------------------------------------------------
+//
+// Filename       : SectorBuilder.cs
+// Author(s)      : Natalia Portillo <claunia@claunia.com>
+//
+// Component      : Device structures decoders.
+//
+// --[ License ] --------------------------------------------------------------
+//
+//     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/>.
+//
+// ----------------------------------------------------------------------------
+// Copyright © 2011-2020 Natalia Portillo
+// ****************************************************************************/
+
 using System;
 using Aaru.CommonTypes.Enums;
 
diff --git a/CD/Subchannel.cs b/CD/Subchannel.cs
index 49b2ef1c5..ed1c9838c 100644
--- a/CD/Subchannel.cs
+++ b/CD/Subchannel.cs
@@ -1,3 +1,31 @@
+// /***************************************************************************
+// Aaru Data Preservation Suite
+// ----------------------------------------------------------------------------
+//
+// Filename       : Subchannel.cs
+// Author(s)      : Natalia Portillo <claunia@claunia.com>
+//
+// Component      : Device structures decoders.
+//
+// --[ License ] --------------------------------------------------------------
+//
+//     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/>.
+//
+// ----------------------------------------------------------------------------
+// Copyright © 2011-2020 Natalia Portillo
+// ****************************************************************************/
+
 using System;
 using Aaru.Checksums;
 
diff --git a/SCSI/MMC/TrackInformation.cs b/SCSI/MMC/TrackInformation.cs
index c211d26de..b2504014d 100644
--- a/SCSI/MMC/TrackInformation.cs
+++ b/SCSI/MMC/TrackInformation.cs
@@ -1,3 +1,31 @@
+// /***************************************************************************
+// Aaru Data Preservation Suite
+// ----------------------------------------------------------------------------
+//
+// Filename       : TrackInformation.cs
+// Author(s)      : Natalia Portillo <claunia@claunia.com>
+//
+// Component      : Device structures decoders.
+//
+// --[ License ] --------------------------------------------------------------
+//
+//     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/>.
+//
+// ----------------------------------------------------------------------------
+// Copyright © 2011-2020 Natalia Portillo
+// ****************************************************************************/
+
 namespace Aaru.Decoders.SCSI.MMC
 {
     public class TrackInformation