User Manuals...

Research Insight
Getting Started (North America)
Getting Started (Global)
Beyond Basics
Report and Chart Library (North America)

COMPUSTAT
COMPUSTAT (North America) Data Guide
COMPUSTAT (Global) Data Guide

COMPUSTAT (North America) Database Coverage
COMPUSTAT (North America) Data Items

COMPUSTAT (Global) Database Coverage
COMPUSTAT (Global) Annual Data Items
COMPUSTAT (Global) Data and Coverage List