Built in ASP objects - Active Server Pages Reference
Quick reference for built in ASP objects.

DevGuru Built-in ASP Objects Quick Reference
Explains and provides comprehensive examples of code for collections, events, methods, and properties belonging to the built-in Active Server Pages objects. By Infinite Software Solutions, Inc.

Filesystem Object (FSO) Reference
Contains a complete reference of all the FSO methods and properties, how to use them, important information, and code examples for each.

The Manual Page
General ASP 3 overview of commands and variables.

Q294271 - INFO: ASP Error Codes
This article includes a list of ASP error codes that may be returned while an ASP page is processing. By Microsoft Corporation.