[MSDN Library April 2000] Objects with Multiple Interfaces and QueryInterface (27.3017902813299%)

MSDN Library - April 2000 > Specifications > Technologies and Languages > Component Object Model (COM) Specification 0.9 > Chapter 1: Component Object Model Introduction > Objects and Interfaces

[MSDN Library April 2000] Objects, Interfaces, and Apartments (26.4468864468864%)

MSDN Library - April 2000 > Partial Books > Essential COM > Chapter 5: Apartments

[MSDN Library April 2000] Objects aren't primitive types (24.9744152046784%)

MSDN Library - April 2000 > Partial Books > Instant JavaScript > Language Tour > Objects

[MSDN Library April 2000] Objects and Interfaces (23.820706401234%)

MSDN Library - April 2000 > Specifications > Technologies and Languages > Component Object Model (COM) Specification 0.9 > Chapter 2: Component Object Model Programming Interface > Component Object Model Technical Overview

[MSDN Library April 2000] Objects and the MAPI Architecture (23.5909090909091%)

MSDN Library - April 2000 > Platform SDK > Messaging and Collaboration Services > Messaging API (MAPI) > Guide > Objects and Interfaces