Binh's COM notes
   Articles on using COM Callbacks and COM threading along with good source code examples.
   http://www.techvanguards.com/stepbystep/comdelphi/

COT Case-3: Borland's Delphi as COM tool
   Centre of object technology q&a about Delphi as COM tool
   http://www.daimi.au.dk/~datpete/COT/THESIS/speciale/cot/index.html

Charlie's WEB Site
   Lots of good information and reference material. D2 and DCOM and OLE bits included
   http://homepages.borland.com/ccalvert/index.htm

Delphi and Microsoft Office: Automating Excel and Word
   White paper from Inprise, on how to use COM/OLE from Excel with example source code.
   http://dn.codegear.com/article/10126

Dr.Bob's ActiveX Files
   Delphi ActiveForms and One-Step-ActiveX Controls in Action.
   http://www.drbob42.com/ActiveX/

Prima pagina
   Delphi Control of IE
   http://www.pragma-net.it/explorercmd/default.htm