[MSDN Library June 1998] Logical OR Operator (100%)

MSDN Library Visual Studio 6.0 > Visual C++ Documentation > Reference > C/C++ Language and C++ Libraries > C++ Language Reference > Expressions > Types of Expressions > Expressions with Binary Operators

[MSDN Library June 1998] Logical AND Operator (96.25%)

MSDN Library Visual Studio 6.0 > Visual C++ Documentation > Reference > C/C++ Language and C++ Libraries > C++ Language Reference > Expressions > Types of Expressions > Expressions with Binary Operators

[MSDN Library June 1998] Logical NOT Operator (!) (92.2348484848485%)

MSDN Library Visual Studio 6.0 > Visual C++ Documentation > Reference > C/C++ Language and C++ Libraries > C++ Language Reference > Expressions > Types of Expressions > Expressions with Unary Operators

[MSDN Library September 1992] Logical Operators (40.4385964912281%)

Product Documentation > C/C++ 7.0 > C Language Reference > Chapter 4 Expressions and Assignments > 4.2 Operators

[MSDN Library September 1992] Logical Operators (39.8631047315258%)

Product Documentation > QuickC for Windows > C for Windows > PART 1 Learning C > Chapter 6 Operators > C's Unique Operators

[MSDN Library June 1998] Logical-NOT Operator: ! (37.6893939393939%)

MSDN Library Visual Studio 6.0 > Visual C++ Documentation > Using Visual C++ > Visual C++ Programmer's Guide > Language Quick Reference > C/C++ Operators > Unary Operators

[MSDN Library June 1998] Logical Operators (37.544034912456%)

MSDN Library Visual Studio 6.0 > Visual Studio Documentation > Data Access Tools and Technologies > Microsoft Visual Database Tools > Query Designer > Specifying Search Criteria > Specifying Search Conditions