UraLesbian is a premium site on uralesbian.com. It holds 1 page here. Every number above is derived from the citation graph, never from crawled prose.

AdultTime (253 citations), Girlfriends Films (34 citations), GirlGirl (34 citations), GirlsWay (34 citations), Lez Be Bad (34 citations), MommysGirl (34 citations), Sapphic Erotica (34 citations), SweetHeart Video (34 citations), Twistys (34 citations), WeLiveTogether (34 citations), Ersties (13 citations), Lesbea (1 citations) appear beside UraLesbian on the same pages, most-cited first.

Or keep going. You can open uralesbian.com directly.