[MSDN Library June 1998] USN-Source (60.3044097609315%)

MSDN Library Visual Studio 6.0 > Platform SDK > Database and Messaging Services > Microsoft Exchange Server > Microsoft Exchange Server Programmer's Reference > Reference > Directory Schema > Directory Schema Attributes

[MSDN Library June 1998] USN-Created (51.0213744588745%)

MSDN Library Visual Studio 6.0 > Platform SDK > Networking and Distributed Services > Active Directory Schema Beta 1 > Attribute Detail

[MSDN Library June 1998] USN-Changed (51.0213744588745%)

MSDN Library Visual Studio 6.0 > Platform SDK > Networking and Distributed Services > Active Directory Schema Beta 1 > Attribute Detail

[MSDN Library June 1998] USN-Last-Obj-Rem (47.4702380952381%)

MSDN Library Visual Studio 6.0 > Platform SDK > Networking and Distributed Services > Active Directory Schema Beta 1 > Attribute Detail

[MSDN Library June 1998] USN-Intersite (46.842871299393%)

MSDN Library Visual Studio 6.0 > Platform SDK > Database and Messaging Services > Microsoft Exchange Server > Microsoft Exchange Server Programmer's Reference > Reference > Directory Schema > Directory Schema Attributes