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EXHIBIT 24

Power of Attorney
Reports Under the Securities Exchange Act of 1934

March 14, 2002

KNOW ALL MEN BY THESE PRESENTS that each of the undersigned directors and
officers of The Washington Post Company, a Delaware corporation (hereinafter
called the Company), hereby constitutes and appoints DONALD E. GRAHAM, JOHN
B. MORSE, JR. and DIANA M. DANIELS, and each of them, his or her true and
lawful attorneys-in-fact and agents with full power to act without the others
and with full power of substitution and resubstitution, for him or her and in
his or her name, place and stead, in any and all capacities, to sign any and
all reports required to be filed by the Company pursuant to the Securities
Exchange Act of 1934, as amended, and any and all amendments thereto and other
documents in connection therewith, with the Securities and Exchange Commission,
granting unto said attorneys-in-fact and agents, and each of them, full power
and authority to do and perform each and every act and thing requisite and
necessary to be done in and about the premises as fully and to all intents and
purposes as he or she might or could do in person, hereby ratifying and
confirming all that said attorneys-in-fact and agents or any of them, or their
or his or her substitute or substitutes, may lawfully do or cause to be done by
virtue hereof.

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|/s/ Donald E. Graham                                                                                           |  | /s/ George J. Gillespie, III      
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|Donald E. Graham, Chairman of the
Board and Chief Executive Officer
(Principal Executive Officer)
and Director |  | George J. Gillespie, III, Director
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|/s/ John B. Morse, Jr.                                                                                         |  | /s/ Ralph E. Gomory               
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|John B. Morse, Jr., Vice
President-Finance (Principal Financial
and Accounting Officer)                        |  | Ralph E. Gomory, Director         
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|/s/ Warren E. Buffet                                                                                           |  | /s/ Donald R. Keough              
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|Warren E. Buffett, Director                                                                                    |  | Donald R. Keough, Director        
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|/s/ Daniel B. Burke                                                                                            |  | /s/ Richard D. Simmons            
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|Daniel B. Burke, Director                                                                                      |  | Richard D. Simmons, Director      
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|/s/ Barry Diller                                                                                               |  | /s/ George W. Wilson              
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|Barry Diller, Director                                                                                         |  | George W. Wilson, Director        
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|/s/ John L. Dotson, Jr.

John L. Dotson, Jr., Director                                                         |  |