CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the use in this Post-Effective Amendment No. 31 to Registration
Statement No. 33-38953 of Harris Associates Investment Trust on Form N-1A  of
our report dated October 27, 2004 appearing in the Annual Report of The
Oakmark Fund, The Oakmark Select Fund, The Oakmark Equity and Income Fund,
The Oakmark Global Fund, The Oakmark International Fund, and The Oakmark
International Small Cap Fund for the year ended September 30, 2004, and to
the reference to us under the heading "Independent Registered Public
Accounting Firm" in the Statement of Additional Information, which is part of
this Registration Statement.  We also consent to the reference to use under
the heading "Financial Highlights" in the Prospectus, which is also part of
this Registration Statement.

DELOITTE & TOUCHE LLP
Chicago, Illinois
January 24, 2005