Exhibit 23(a)

                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS
                   -----------------------------------------

As independent public accountants, we hereby consent to the incorporation by
reference in this registration statement of our reports dated February 27, 1998
included in Pierce Leahy Corp.'s Form 10-K for the year ended December 31, 1997
and to all references to our Firm included in this registration statement.

                                                Arthur Andersen LLP
    
Philadelphia, Pa.,
 September 4, 1998