Not the language we've been using. OSINT Handbook gets you there. In any event, here are the two “top guns” plus the Handbooks:
2011 OSINT Discovery Toolkit–Reuser’s Repertorium
Three still standard guides:
2009 OSINT Links Directory by Ben Benavides
2004 Special Operations Forces OSINT Handbook (Strawman)
2000-2002 NATO OSINT Handbooks
All of the above at one post with four other index links:
Open Source Intelligence (OSINT) Starting Point
The Handbooks (Also In Middle Column and Index):
- Handbooks(51)
- Analysis (8)
- C4/JOE/Software (5)
- HUMINT (10)
- Law Enforcement (8)
- Military (16)
- OSINT Generic (14)
- Stabilization (18)
- Threats/Topical (10)
- UN/NGO (15)