diff --git a/Penumbra/CommandHandler.cs b/Penumbra/CommandHandler.cs
index 484dd954..db8d9aca 100644
--- a/Penumbra/CommandHandler.cs
+++ b/Penumbra/CommandHandler.cs
@@ -12,6 +12,7 @@ using Penumbra.Interop.Services;
 using Penumbra.Mods;
 using Penumbra.Mods.Manager;
 using Penumbra.UI;
+using Penumbra.UI.Knowledge;
 
 namespace Penumbra;
 
@@ -29,11 +30,12 @@ public class CommandHandler : IDisposable, IApiService
     private readonly CollectionManager _collectionManager;
     private readonly Penumbra          _penumbra;
     private readonly CollectionEditor  _collectionEditor;
+    private readonly KnowledgeWindow   _knowledgeWindow;
 
     public CommandHandler(IFramework framework, ICommandManager commandManager, IChatGui chat, RedrawService redrawService,
-        Configuration config,
-        ConfigWindow configWindow, ModManager modManager, CollectionManager collectionManager, ActorManager actors, Penumbra penumbra,
-        CollectionEditor collectionEditor)
+        Configuration config, ConfigWindow configWindow, ModManager modManager, CollectionManager collectionManager, ActorManager actors,
+        Penumbra penumbra,
+        CollectionEditor collectionEditor, KnowledgeWindow knowledgeWindow)
     {
         _commandManager    = commandManager;
         _redrawService     = redrawService;
@@ -45,6 +47,7 @@ public class CommandHandler : IDisposable, IApiService
         _chat              = chat;
         _penumbra          = penumbra;
         _collectionEditor  = collectionEditor;
+        _knowledgeWindow   = knowledgeWindow;
         framework.RunOnFrameworkThread(() =>
         {
             if (_commandManager.Commands.ContainsKey(CommandName))
@@ -69,7 +72,7 @@ public class CommandHandler : IDisposable, IApiService
         var argumentList = arguments.Split(' ', 2);
         arguments = argumentList.Length == 2 ? argumentList[1] : string.Empty;
 
-        var _ = argumentList[0].ToLowerInvariant() switch
+        _ = argumentList[0].ToLowerInvariant() switch
         {
             "window"     => ToggleWindow(arguments),
             "enable"     => SetPenumbraState(arguments, true),
@@ -83,6 +86,7 @@ public class CommandHandler : IDisposable, IApiService
             "collection" => SetCollection(arguments),
             "mod"        => SetMod(arguments),
             "bulktag"    => SetTag(arguments),
+            "knowledge"  => HandleKnowledge(arguments),
             _            => PrintHelp(argumentList[0]),
         };
     }
@@ -304,7 +308,7 @@ public class CommandHandler : IDisposable, IApiService
                     identifiers = _actors.FromUserString(split[2], false);
                 }
             }
-            catch (ActorManager.IdentifierParseError e)
+            catch (ActorIdentifierFactory.IdentifierParseError e)
             {
                 _chat.Print(new SeStringBuilder().AddText("The argument ").AddRed(split[2], true)
                     .AddText($" could not be converted to an identifier. {e.Message}")
@@ -619,4 +623,10 @@ public class CommandHandler : IDisposable, IApiService
         if (_config.PrintSuccessfulCommandsToChat)
             _chat.Print(text());
     }
+
+    private bool HandleKnowledge(string arguments)
+    {
+        _knowledgeWindow.Toggle();
+        return true;
+    }
 }
diff --git a/Penumbra/UI/Knowledge/IKnowledgeTab.cs b/Penumbra/UI/Knowledge/IKnowledgeTab.cs
new file mode 100644
index 00000000..568d5fda
--- /dev/null
+++ b/Penumbra/UI/Knowledge/IKnowledgeTab.cs
@@ -0,0 +1,8 @@
+namespace Penumbra.UI.Knowledge;
+
+public interface IKnowledgeTab
+{
+    public ReadOnlySpan<byte> Name       { get; }
+    public ReadOnlySpan<byte> SearchTags { get; }
+    public void               Draw();
+}
diff --git a/Penumbra/UI/Knowledge/KnowledgeWindow.cs b/Penumbra/UI/Knowledge/KnowledgeWindow.cs
new file mode 100644
index 00000000..de1b36b8
--- /dev/null
+++ b/Penumbra/UI/Knowledge/KnowledgeWindow.cs
@@ -0,0 +1,55 @@
+using System.Text.Unicode;
+using Dalamud.Interface.Utility.Raii;
+using Dalamud.Interface.Windowing;
+using Dalamud.Memory;
+using ImGuiNET;
+using OtterGui.Services;
+using OtterGui.Text;
+
+namespace Penumbra.UI.Knowledge;
+
+/// <summary> Draw the progress information for import. </summary>
+public sealed class KnowledgeWindow() : Window("Penumbra Knowledge Window"), IUiService
+{
+    private readonly IReadOnlyList<IKnowledgeTab> _tabs =
+    [
+        new RaceCodeTab(),
+    ];
+
+    private          IKnowledgeTab? _selected;
+    private readonly byte[]         _filterStore = new byte[256];
+
+    private TerminatedByteString _filter = TerminatedByteString.Empty;
+
+    public override void Draw()
+    {
+        DrawSelector();
+        ImUtf8.SameLineInner();
+        DrawMain();
+    }
+
+    private void DrawSelector()
+    {
+        using var child = ImUtf8.Child("KnowledgeSelector"u8, new Vector2(250 * ImUtf8.GlobalScale, ImGui.GetContentRegionAvail().Y), true);
+        if (!child)
+            return;
+
+        ImGui.SetNextItemWidth(ImGui.GetContentRegionAvail().X);
+        ImUtf8.InputText("##Filter"u8, _filterStore, out _filter, "Filter..."u8);
+
+        foreach (var tab in _tabs)
+        {
+            if (ImUtf8.Selectable(tab.Name, _selected == tab))
+                _selected = tab;
+        }
+    }
+
+    private void DrawMain()
+    {
+        using var child = ImUtf8.Child("KnowledgeMain"u8, ImGui.GetContentRegionAvail(), true);
+        if (!child || _selected == null)
+            return;
+
+        _selected.Draw();
+    }
+}
diff --git a/Penumbra/UI/Knowledge/RaceCodeTab.cs b/Penumbra/UI/Knowledge/RaceCodeTab.cs
new file mode 100644
index 00000000..988506dd
--- /dev/null
+++ b/Penumbra/UI/Knowledge/RaceCodeTab.cs
@@ -0,0 +1,42 @@
+using ImGuiNET;
+using OtterGui.Text;
+using Penumbra.GameData.Enums;
+
+namespace Penumbra.UI.Knowledge;
+
+public sealed class RaceCodeTab : IKnowledgeTab
+{
+    public ReadOnlySpan<byte> Name
+        => "Race Codes"u8;
+
+    public ReadOnlySpan<byte> SearchTags
+        => "deformersracecodesmodel"u8;
+
+    public void Draw()
+    {
+        using var table = ImUtf8.Table("table"u8, 4, ImGuiTableFlags.SizingFixedFit);
+        if (!table)
+            return;
+
+        ImUtf8.TableHeader("Race Code"u8);
+        ImUtf8.TableHeader("Race"u8);
+        ImUtf8.TableHeader("Gender"u8);
+        ImUtf8.TableHeader("NPC"u8);
+
+        foreach (var genderRace in Enum.GetValues<GenderRace>())
+        {
+            ImGui.TableNextColumn();
+            ImUtf8.Text(genderRace.ToRaceCode());
+
+            var (gender, race) = genderRace.Split();
+            ImGui.TableNextColumn();
+            ImUtf8.Text($"{race}");
+
+            ImGui.TableNextColumn();
+            ImUtf8.Text($"{gender}");
+
+            ImGui.TableNextColumn();
+            ImUtf8.Text(((ushort)genderRace & 0xF) != 1 ? "NPC"u8 : "Normal"u8);
+        }
+    }
+}
diff --git a/Penumbra/UI/WindowSystem.cs b/Penumbra/UI/WindowSystem.cs
index 72ac0d01..6d382ad4 100644
--- a/Penumbra/UI/WindowSystem.cs
+++ b/Penumbra/UI/WindowSystem.cs
@@ -3,6 +3,7 @@ using Dalamud.Interface.Windowing;
 using Dalamud.Plugin;
 using OtterGui.Services;
 using Penumbra.UI.AdvancedWindow;
+using Penumbra.UI.Knowledge;
 using Penumbra.UI.Tabs.Debug;
 
 namespace Penumbra.UI;
@@ -14,20 +15,24 @@ public class PenumbraWindowSystem : IDisposable, IUiService
     private readonly FileDialogService _fileDialog;
     public readonly  ConfigWindow      Window;
     public readonly  PenumbraChangelog Changelog;
+    public readonly  KnowledgeWindow   KnowledgeWindow;
 
     public PenumbraWindowSystem(IDalamudPluginInterface pi, Configuration config, PenumbraChangelog changelog, ConfigWindow window,
-        LaunchButton _, ModEditWindow editWindow, FileDialogService fileDialog, ImportPopup importPopup, DebugTab debugTab)
+        LaunchButton _, ModEditWindow editWindow, FileDialogService fileDialog, ImportPopup importPopup, DebugTab debugTab,
+        KnowledgeWindow knowledgeWindow)
     {
-        _uiBuilder    = pi.UiBuilder;
-        _fileDialog   = fileDialog;
-        Changelog     = changelog;
-        Window        = window;
-        _windowSystem = new WindowSystem("Penumbra");
+        _uiBuilder      = pi.UiBuilder;
+        _fileDialog     = fileDialog;
+        KnowledgeWindow = knowledgeWindow;
+        Changelog       = changelog;
+        Window          = window;
+        _windowSystem   = new WindowSystem("Penumbra");
         _windowSystem.AddWindow(changelog.Changelog);
         _windowSystem.AddWindow(window);
         _windowSystem.AddWindow(editWindow);
         _windowSystem.AddWindow(importPopup);
         _windowSystem.AddWindow(debugTab);
+        _windowSystem.AddWindow(KnowledgeWindow);
         _uiBuilder.OpenMainUi            += Window.Toggle;
         _uiBuilder.OpenConfigUi          += Window.OpenSettings;
         _uiBuilder.Draw                  += _windowSystem.Draw;