the dc public library will issue library cards without charge to non-residents who work in, pay property taxes to, or go to school in the district. it will also issue them to non-residents where the other jurisdiction will reciprocate for dc residents. thus residents of montgomery and prince george's counties in maryland as well as residents of the virginia cities of alexandria, fairfax, and falls church, as well as the virginia counties of arlington, fairfax, frederick, loudoun and prince william, may obtain free library cards. residents of other areas not otherwise qualifying may obtain a card for $20 a year.