diff --git a/SabreTools.Serialization/DosCenter.Deserializer.cs b/SabreTools.Serialization/DosCenter.Deserializer.cs
index aa668de5..cc707cf9 100644
--- a/SabreTools.Serialization/DosCenter.Deserializer.cs
+++ b/SabreTools.Serialization/DosCenter.Deserializer.cs
@@ -1,5 +1,6 @@
 using System.Collections.Generic;
 using System.IO;
+using System.Linq;
 using System.Text;
 using SabreTools.IO.Readers;
 using SabreTools.Models.DosCenter;
@@ -230,5 +231,68 @@ namespace SabreTools.Serialization
             file.ADDITIONAL_ELEMENTS = itemAdditional.ToArray();
             return file;
         }
+    
+        // TODO: Add deserialization of entire MetadataFile
+        #region Internal
+
+        /// <summary>
+        /// Convert from <cref="Models.Internal.Header"/> to <cref="Models.DosCenter.DosCenter"/>
+        /// </summary>
+        public static Models.DosCenter.DosCenter? ConvertHeaderFromInternalModel(Models.Internal.Header? item)
+        {
+            if (item == null)
+                return null;
+
+            var dosCenter = new Models.DosCenter.DosCenter
+            {
+                Name = item.ReadString(Models.Internal.Header.NameKey),
+                Description = item.ReadString(Models.Internal.Header.DescriptionKey),
+                Version = item.ReadString(Models.Internal.Header.VersionKey),
+                Date = item.ReadString(Models.Internal.Header.DateKey),
+                Author = item.ReadString(Models.Internal.Header.AuthorKey),
+                Homepage = item.ReadString(Models.Internal.Header.HomepageKey),
+                Comment = item.ReadString(Models.Internal.Header.CommentKey),
+            };
+            return dosCenter;
+        }
+
+        /// <summary>
+        /// Convert from <cref="Models.Internal.Machine"/> to <cref="Models.DosCenter.Game"/>
+        /// </summary>
+        public static Game? ConvertMachineFromInternalModel(Models.Internal.Machine? item)
+        {
+            if (item == null)
+                return null;
+
+            var game = new Game
+            {
+                Name = item.ReadString(Models.Internal.Machine.NameKey),
+            };
+
+            var roms = item.Read<Models.Internal.Rom[]>(Models.Internal.Machine.RomKey);
+            game.File = roms?.Select(ConvertFromInternalModel)?.ToArray();
+
+            return game;
+        }
+
+        /// <summary>
+        /// Convert from <cref="Models.Internal.Rom"/> to <cref="Models.DosCenter.File"/>
+        /// </summary>
+        private static Models.DosCenter.File? ConvertFromInternalModel(Models.Internal.Rom? item)
+        {
+            if (item == null)
+                return null;
+
+            var file = new Models.DosCenter.File
+            {
+                Name = item.ReadString(Models.Internal.Rom.NameKey),
+                Size = item.ReadString(Models.Internal.Rom.SizeKey),
+                CRC = item.ReadString(Models.Internal.Rom.CRCKey),
+                Date = item.ReadString(Models.Internal.Rom.DateKey),
+            };
+            return file;
+        }
+
+        #endregion
     }
 }
\ No newline at end of file
diff --git a/SabreTools.Serialization/DosCenter.Serializer.cs b/SabreTools.Serialization/DosCenter.Serializer.cs
index fe774bc2..77b87e2e 100644
--- a/SabreTools.Serialization/DosCenter.Serializer.cs
+++ b/SabreTools.Serialization/DosCenter.Serializer.cs
@@ -145,5 +145,74 @@ namespace SabreTools.Serialization
                 writer.WriteEndElement(); // file
             }
         }
+
+        #region Internal
+
+        /// <summary>
+        /// Convert from <cref="Models.DosCenter.MetadataFile"/> to <cref="Models.Internal.MetadataFile"/>
+        /// </summary>
+        public static Models.Internal.MetadataFile ConvertToInternalModel(MetadataFile item)
+        {
+            var metadataFile = new Models.Internal.MetadataFile();
+
+            if (item?.DosCenter != null)
+                metadataFile[Models.Internal.MetadataFile.HeaderKey] = ConvertHeaderToInternalModel(item.DosCenter);
+
+            if (item?.Game != null && item.Game.Any())
+                metadataFile[Models.Internal.MetadataFile.MachineKey] = item.Game.Select(ConvertMachineToInternalModel).ToArray();
+
+            return metadataFile;
+        }
+
+        /// <summary>
+        /// Convert from <cref="Models.DosCenter.DosCenter"/> to <cref="Models.Internal.Header"/>
+        /// </summary>
+        private static Models.Internal.Header ConvertHeaderToInternalModel(Models.DosCenter.DosCenter item)
+        {
+            var header = new Models.Internal.Header
+            {
+                [Models.Internal.Header.NameKey] = item.Name,
+                [Models.Internal.Header.DescriptionKey] = item.Description,
+                [Models.Internal.Header.VersionKey] = item.Version,
+                [Models.Internal.Header.DateKey] = item.Date,
+                [Models.Internal.Header.AuthorKey] = item.Author,
+                [Models.Internal.Header.HomepageKey] = item.Homepage,
+                [Models.Internal.Header.CommentKey] = item.Comment,
+            };
+            return header;
+        }
+
+        /// <summary>
+        /// Convert from <cref="Models.DosCenter.Game"/> to <cref="Models.Internal.Machine"/>
+        /// </summary>
+        private static Models.Internal.Machine ConvertMachineToInternalModel(Game item)
+        {
+            var machine = new Models.Internal.Machine
+            {
+                [Models.Internal.Machine.NameKey] = item.Name,
+            };
+
+            if (item.File != null && item.File.Any())
+                machine[Models.Internal.Machine.RomKey] = item.File.Select(ConvertToInternalModel).ToArray();
+
+            return machine;
+        }
+
+        /// <summary>
+        /// Convert from <cref="Models.DosCenter.File"/> to <cref="Models.Internal.Rom"/>
+        /// </summary>
+        private static Models.Internal.Rom ConvertToInternalModel(Models.DosCenter.File item)
+        {
+            var rom = new Models.Internal.Rom
+            {
+                [Models.Internal.Rom.NameKey] = item.Name,
+                [Models.Internal.Rom.SizeKey] = item.Size,
+                [Models.Internal.Rom.CRCKey] = item.CRC,
+                [Models.Internal.Rom.DateKey] = item.Date,
+            };
+            return rom;
+        }
+
+        #endregion
     }
 }
\ No newline at end of file
diff --git a/SabreTools.Serialization/Internal.DosCenter.cs b/SabreTools.Serialization/Internal.DosCenter.cs
deleted file mode 100644
index d10c2a40..00000000
--- a/SabreTools.Serialization/Internal.DosCenter.cs
+++ /dev/null
@@ -1,150 +0,0 @@
-using System.Collections.Generic;
-using System.Linq;
-using SabreTools.Models.Internal;
-
-namespace SabreTools.Serialization
-{
-    /// <summary>
-    /// Serializer for DosCenter models to internal structure
-    /// </summary>
-    public partial class Internal
-    {
-        #region Serialize
-
-        /// <summary>
-        /// Convert from <cref="Models.DosCenter.MetadataFile"/> to <cref="MetadataFile"/>
-        /// </summary>
-        public static MetadataFile ConvertToInternalModel(Models.DosCenter.MetadataFile item)
-        {
-            var metadataFile = new MetadataFile();
-
-            if (item?.DosCenter != null)
-                metadataFile[MetadataFile.HeaderKey] = ConvertHeaderToInternalModel(item.DosCenter);
-
-            if (item?.Game != null && item.Game.Any())
-                metadataFile[MetadataFile.MachineKey] = item.Game.Select(ConvertMachineToInternalModel).ToArray();
-
-            return metadataFile;
-        }
-
-        /// <summary>
-        /// Convert from <cref="Models.DosCenter.DosCenter"/> to <cref="Header"/>
-        /// </summary>
-        private static Header ConvertHeaderToInternalModel(Models.DosCenter.DosCenter item)
-        {
-            var header = new Header
-            {
-                [Header.NameKey] = item.Name,
-                [Header.DescriptionKey] = item.Description,
-                [Header.VersionKey] = item.Version,
-                [Header.DateKey] = item.Date,
-                [Header.AuthorKey] = item.Author,
-                [Header.HomepageKey] = item.Homepage,
-                [Header.CommentKey] = item.Comment,
-            };
-            return header;
-        }
-
-        /// <summary>
-        /// Convert from <cref="Models.DosCenter.Game"/> to <cref="Machine"/>
-        /// </summary>
-        private static Machine ConvertMachineToInternalModel(Models.DosCenter.Game item)
-        {
-            var machine = new Machine
-            {
-                [Machine.NameKey] = item.Name,
-            };
-
-            if (item.File != null && item.File.Any())
-            {
-                var roms = new List<Rom>();
-                foreach (var file in item.File)
-                {
-                    roms.Add(ConvertToInternalModel(file));
-                }
-                machine[Machine.RomKey] = roms.ToArray();
-            }
-
-            return machine;
-        }
-
-        /// <summary>
-        /// Convert from <cref="Models.DosCenter.File"/> to <cref="Rom"/>
-        /// </summary>
-        private static Rom ConvertToInternalModel(Models.DosCenter.File item)
-        {
-            var rom = new Rom
-            {
-                [Rom.NameKey] = item.Name,
-                [Rom.SizeKey] = item.Size,
-                [Rom.CRCKey] = item.CRC,
-                [Rom.DateKey] = item.Date,
-            };
-            return rom;
-        }
-
-        #endregion
-
-        #region Deserialize
-
-        /// <summary>
-        /// Convert from <cref="Header"/> to <cref="Models.DosCenter.DosCenter"/>
-        /// </summary>
-        public static Models.DosCenter.DosCenter? ConvertHeaderToDosCenter(Header? item)
-        {
-            if (item == null)
-                return null;
-
-            var dosCenter = new Models.DosCenter.DosCenter
-            {
-                Name = item.ReadString(Header.NameKey),
-                Description = item.ReadString(Header.DescriptionKey),
-                Version = item.ReadString(Header.VersionKey),
-                Date = item.ReadString(Header.DateKey),
-                Author = item.ReadString(Header.AuthorKey),
-                Homepage = item.ReadString(Header.HomepageKey),
-                Comment = item.ReadString(Header.CommentKey),
-            };
-            return dosCenter;
-        }
-
-        /// <summary>
-        /// Convert from <cref="Machine"/> to <cref="Models.DosCenter.Game"/>
-        /// </summary>
-        public static Models.DosCenter.Game? ConvertMachineToDosCenter(Machine? item)
-        {
-            if (item == null)
-                return null;
-
-            var game = new Models.DosCenter.Game
-            {
-                Name = item.ReadString(Machine.NameKey),
-            };
-
-            var roms = item.Read<Rom[]>(Machine.RomKey);
-            game.File = roms?.Select(ConvertToDosCenter)?.ToArray();
-
-            return game;
-        }
-
-        /// <summary>
-        /// Convert from <cref="Rom"/> to <cref="Models.DosCenter.File"/>
-        /// </summary>
-        private static Models.DosCenter.File? ConvertToDosCenter(Rom? item)
-        {
-            if (item == null)
-                return null;
-
-            var file = new Models.DosCenter.File
-            {
-                Name = item.ReadString(Rom.NameKey),
-                Size = item.ReadString(Rom.SizeKey),
-                CRC = item.ReadString(Rom.CRCKey),
-                Date = item.ReadString(Rom.DateKey),
-            };
-            return file;
-        }
-
-        #endregion
-    }
-}
\ No newline at end of file