brazoria county library bcls.lib.tx.us brazoria county library system is the public library system for the county of brazoria, texas, providing educational, recreational, and information research services. Category:libraries and museums Global Rank:624,998 visits:59.9K pages/Per:3.3 mybcls.polarislibrary.com Category:biology Global Rank:- visits:57.1K pages/Per:4.8 ADS