Where's sharepoint binaries located ?

Scenario:
Every now and then I want to reference SharePoint binaries, but sharepoint have it scattered all over. OK if not all over, then atleast more than 2-3 places i know of.

Location:

C:\WINDOWS\assembly\GAC_MSIL\Microsoft.SharePoint\12.0.0.0__71e9bce111e9429c\Microsoft.SharePoint.dll

C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\12\Config\ADMINBin\Microsoft.SharePoint.ApplicationPages.Administration.dll

C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\12\Config\Bin\Microsoft.SharePoint.ApplicationPages.dll

C:\WINDOWS\assembly\GAC_MSIL\Microsoft.SharePoint.portal\12.0.0.0__71e9bce111e9429c\Microsoft.SharePoint.Portal.dll

C:\WINDOWS\assembly\GAC_32\Microsoft.SharePoint.Portal.SingleSignon\12.0.0.0__71e9bce111e9429c\Microsoft.SharePoint.Portal.SingleSignon.dll

C:\WINDOWS\assembly\GAC_32\Microsoft.SharePoint.Search\12.0.0.0__71e9bce111e9429c\Microsoft.SharePoint.Search.dll

C:\WINDOWS\assembly\GAC_MSIL\Microsoft.SharePoint\12.0.0.0__71e9bce111e9429c\Microsoft.SharePoint.dll

C:\WINDOWS\assembly\GAC_MSIL\Microsoft.SharePoint.AdministrationOperation\12.0.0.0__71e9bce111e9429c\Microsoft.SharePoint.AdministrationOperation.dll

C:\WINDOWS\assembly\GAC_MSIL\Microsoft.SharePoint.Diagnostics\12.0.0.0__71e9bce111e9429c\Microsoft.SharePoint.Diagnostics.dll

C:\WINDOWS\assembly\GAC_MSIL\Microsoft.SharePoint.Dsp\12.0.0.0__71e9bce111e9429c\Microsoft.SharePoint.Dsp.dll

C:\WINDOWS\assembly\GAC_MSIL\Microsoft.SharePoint.Dsp.OleDb\12.0.0.0__71e9bce111e9429c\Microsoft.SharePoint.Dsp.OleDb.dll

C:\WINDOWS\assembly\GAC_MSIL\Microsoft.SharePoint.Dsp.SoapPT\12.0.0.0__71e9bce111e9429c\Microsoft.SharePoint.Dsp.SoapPT.dll

C:\WINDOWS\assembly\GAC_MSIL\Microsoft.SharePoint.Dsp.Sts\12.0.0.0__71e9bce111e9429c\Microsoft.SharePoint.Dsp.Sts.dll

C:\WINDOWS\assembly\GAC_MSIL\Microsoft.SharePoint.Dsp.XmlUrl\12.0.0.0__71e9bce111e9429c\Microsoft.SharePoint.Dsp.XmlUrl.dll

C:\WINDOWS\assembly\GAC_MSIL\Microsoft.SharePoint.intl\12.0.0.0__71e9bce111e9429c\Microsoft.SharePoint.intl.dll

C:\WINDOWS\assembly\GAC_MSIL\Microsoft.SharePoint.Library\12.0.0.0__71e9bce111e9429c\Microsoft.SharePoint.Library.dll

C:\WINDOWS\assembly\GAC_MSIL\Microsoft.SharePoint.Portal\12.0.0.0__71e9bce111e9429c\microsoft.sharepoint.portal.dll

C:\WINDOWS\assembly\GAC_MSIL\Microsoft.SharePoint.Portal.Intl\12.0.0.0__71e9bce111e9429c\microsoft.sharepoint.portal.intl.dll

C:\WINDOWS\assembly\GAC_MSIL\Microsoft.SharePoint.Portal.SingleSignon.Security\12.0.0.0__71e9bce111e9429c\Microsoft.SharePoint.Portal.SingleSignon.Security.dll

C:\WINDOWS\assembly\GAC_MSIL\Microsoft.SharePoint.Portal.Upgrade\12.0.0.0__71e9bce111e9429c\Microsoft.SharePoint.Portal.Upgrade.dll

C:\WINDOWS\assembly\GAC_MSIL\Microsoft.SharePoint.Publishing\12.0.0.0__71e9bce111e9429c\Microsoft.SharePoint.Publishing.dll

C:\WINDOWS\assembly\GAC_MSIL\Microsoft.SharePoint.Publishing.Intl\12.0.0.0__71e9bce111e9429c\Microsoft.SharePoint.Publishing.Intl.dll

C:\WINDOWS\assembly\GAC_MSIL\Microsoft.SharePoint.Publishing.Intl.Resources\12.0.0.0_en-US_71e9bce111e9429c\Microsoft.SharePoint.Publishing.Intl.Resources.dll

C:\WINDOWS\assembly\GAC_MSIL\Microsoft.SharePoint.Search.Intl\12.0.0.0__71e9bce111e9429c\microsoft.sharepoint.search.intl.dll

C:\WINDOWS\assembly\GAC_MSIL\Microsoft.SharePoint.Search.Intl.Resources\12.0.0.0_en-US_71e9bce111e9429c\microsoft.sharepoint.search.intl.resources.dll
        
C:\WINDOWS\assembly\GAC_MSIL\Microsoft.SharePoint.Security\12.0.0.0__71e9bce111e9429c\Microsoft.SharePoint.Security.dll

C:\WINDOWS\assembly\GAC_MSIL\Microsoft.SharePoint.SetupConfiguration.Intl\12.0.0.0__71e9bce111e9429c\Microsoft.SharePoint.SetupConfiguration.Intl.dll

C:\WINDOWS\assembly\GAC_MSIL\Microsoft.SharePoint.WorkflowActions\12.0.0.0__71e9bce111e9429c\microsoft.sharepoint.WorkflowActions.dll

C:\WINDOWS\assembly\GAC_MSIL\Microsoft.SharePoint.WorkflowActions.intl\12.0.0.0__71e9bce111e9429c\microsoft.sharepoint.WorkflowActions.intl.dll

C:\WINDOWS\assembly\GAC_MSIL\Microsoft.SharePoint.WorkflowActions.intl.resources\12.0.0.0__71e9bce111e9429c\microsoft.SharePoint.workflowactions.intl.resources.dll

C:\WINDOWS\assembly\GAC_MSIL\Microsoft.SharePoint.Workflows\12.0.0.0__71e9bce111e9429c\microsoft.SharePoint.workflows.dll

C:\WINDOWS\assembly\GAC_MSIL\Microsoft.SharePoint.Workflows.intl\12.0.0.0__71e9bce111e9429c\microsoft.SharePoint.workflows.intl.dll

C:\WINDOWS\assembly\GAC_MSIL\Microsoft.SharePoint.Workflows.intl.resources\12.0.0.0__71e9bce111e9429c\microsoft.SharePoint.workflows.intl.resources.dll

Directory of C:\Program Files\Common Files\Microsoft Shared\web server extensions\12\ISAPI

Microsoft.Office.Excel.Server.Udf.dll
Microsoft.Office.Excel.Server.WebServices.dll
Microsoft.Office.Policy.dll
Microsoft.Office.Server.dll
Microsoft.Office.Server.Search.dll
microsoft.office.workflow.tasks.dll
Microsoft.SharePoint.dll
microsoft.sharepoint.portal.dll
Microsoft.SharePoint.Portal.SingleSignon.dll
Microsoft.SharePoint.Portal.SingleSignon.Security.dll
Microsoft.SharePoint.Publishing.dll
Microsoft.SharePoint.Search.dll
Microsoft.SharePoint.Security.dll
microsoft.sharepoint.WorkflowActions.dll

I know this is not complete listing , but I will add more as and when I will discover more.