Working with SharePoint Object Model

http://nickgrattan.wordpress.com/2007/08/10/introducing-the-sharepoint-object-model/

http://msdn.microsoft.com/en-us/library/bb687949.aspx

http://blogs.msdn.com/dwinter/archive/2005/02/15/creating-an-application-using-the-sharepoint-object-model-to-delete-a-site.aspx

http://www.michaelmarkel.com/2008/04/object-model-is-your-friend.html

http://www.sharepointblogs.com/erickraus/archive/2007/02/21/sharepoint-object-model-download-upload-files-via-code.aspx

http://dotnet.sys-con.com/node/45540

http://programmingsharepoint.blogspot.com/2008/02/introduction-to-sharepoint-object-model.html