16 Pa. Stat. § 9855
All sheriff's, coroner's, and tax deeds, heretofore entered in the records of the court of common pleas of any county in this Commonwealth, including the minutes or record of the acknowledgment of such deeds, may be indexed in the office of the recorder of deeds of the proper county, in the regular grantee and grantor indices of deeds, or in a grantee and grantor index arranged in a separate book or books known as the Sheriff's and Tax Deed Index Books. In either case, such deeds shall be indexed, in the grantee index, in the name of the grantee or grantees therein; and in the grantor index, in the name of the defendant or defendants and of the terre-tenant or terre-tenants, if any, or in the name of the person or persons who were the owners or reputed owners of the property conveyed by such deed.
16 P.S. § 9855