The Burton Union System | A cut-away section of a Union set … | Flickr
Burton Union System - National Brewery Heritage Trust
Uttoxeter Racecourse - Did you know... Marston's Brewery are famous for their Burton Union System and are the only brewer who still uses this process today to make their Marston's Pedigree? Tickets
Blissful unions – Zythophile
Burton-on-Trent and beer – My adventures in the world of beer