[MSDN Library June 1998] OptionGroup Design-Time Control (100%)
MSDN Library Visual Studio 6.0 > Visual InterDev Documentation > Reference > Design-Time Controls > Design-Time Controls
[MSDN Library June 1998] OptionGroup Script Object (45.5058651026393%)
MSDN Library Visual Studio 6.0 > Visual InterDev Documentation > Reference > Scripting Object Model > Script Objects
[MSDN Library June 1998] OptionGroup Control (25.8503584229391%)
MSDN Library Visual Studio 6.0 > Visual FoxPro Documentation > Reference > A to Z Language Reference
[MSDN Library June 1998] OptionGroup Properties Dialog Box (24.6323145245559%)
MSDN Library Visual Studio 6.0 > Visual InterDev Documentation > Reference > Dialog Boxes and Windows
[MSDN Library June 1998] OptionGroup (20.2400153609831%)
MSDN Library Visual Studio 6.0 > Microsoft Office Development > Office 95 Documentation > Word > Microsoft Word Developer's Kit > Part 2: WordBasic Reference > Statements and Functions