The prothonotaries of the several counties of this commonwealth, in which county, poor, road, school, building, borough and township taxes are directed by law to be filed as liens against the real estate against which said taxes have been assessed and levied, may make up or cause to be made up, from the record of such tax liens as appear to be unsatisfied, convenient dockets of all such unsatisfied liens, in which the several liens affecting each ward, borough or township shall be separately set out, under the name of the proper municipality, and against the name of the person against whom the same is entered at the time of the passage of this act.
53 P.S. § 7194