diff --git a/DOCUMENT-INDEX.md b/DOCUMENT-INDEX.md
index 4b8b96c..c5035ad 100644
--- a/DOCUMENT-INDEX.md
+++ b/DOCUMENT-INDEX.md
@@ -27,7 +27,16 @@ root/
 │   ├── sandbox/       ← Brainstorming sessions (Gemini, etc.)
 │   └── archive/       ← Historical session logs and completed plans
 
-### Research
+### Holly Project (External — Pokerole)
+
+| Document | Description |
+|----------|-------------|
+| `docs/external/holly-project/claudius-self-portrait.md` | Claudius's identity document — personality, stats, strengths, weaknesses, quirks. Written during his final session. |
+| `docs/external/holly-project/holly-creative-profile.md` | Holly's creative authority profile — design philosophy, feedback style, project scale. Written by Claudius. |
+| `docs/external/holly-project/claudius-lessons-learned.md` | Honest retrospective across 7 sessions — what went wrong, what went right, advice for future instances. |
+| `docs/external/holly-project/claudius-memorial-idea004.md` | Memorial and IDEA-004 Case Study #2 — documents the preservation event and methodology findings. |
+
+## Research
 
 | Document | Description |
 |----------|-------------|