[MSDN Library April 2000] Optional Tag Values (67.0848267622461%)
MSDN Library - April 2000 > DDK Documentation > Windows 95 DDK > Windows 95 Documentation > Design Guide > Printer Driver Overview > Overview of ICC 3.0 Profile Tags Used by Windows 95
[MSDN Library April 2000] Optional Virtual Keys (34.1677710510728%)
MSDN Library - April 2000 > DDK Documentation > Windows 95 DDK > Windows 95 Documentation > Design Guide > Windows 95 Keyboard Driver > Virtual-Key Codes
[MSDN Library April 2000] Optional Features of ACM Drivers (31.2443447361023%)
MSDN Library - April 2000 > DDK Documentation > Windows 95 DDK > Windows 95 Documentation > Design Guide > Multimedia Device Drivers > Audio Compression Manager Drivers
[MSDN Library April 2000] Optional Components (30.62521499828%)
MSDN Library - April 2000 > Windows Resource Kits > BackOffice Resource Kit > Microsoft Exchange Server Resource Guide > Chapter 1: Microsoft Exchange Server Architecture > Server Architecture
[MSDN Library April 2000] Optional Fields (28.9634586149117%)
MSDN Library - April 2000 > Platform SDK > Web Services > Internet Information Services SDK > Programmer's Guide > Reference > Internet Database Connector Reference > Internet Database Connector Fields