[MSDN Library April 2000] Spy (5%)
MSDN Library - April 2000 > Platform SDK > Tools and Languages > Tools > Debugging > Monitoring Messages and Data
[MSDN Library April 2000] SPY Utility Reports Application Name, Not Module Name (4.51659809902114%)
MSDN Library - April 2000 > Knowledge Base > Windows Development > Windows Software Development Kit
[MSDN Library April 2000] Spy: Monitoring Messages with SPY (2.22816399286987%)
MSDN Library - April 2000 > Visual Studio 6.0 Documentation > Visual C++ Documentation > Samples > SDK Samples > SDK Tools Samples
[MSDN Library September 1992] SPY: Monitors Messages Sent to Windows (1.97368421052632%)
Sample Code > Product Tools and Utilities > Windows 3.1 SDK Tools