The (Biblia de Referencia Thompson) is one of the most respected tools for topical Bible study, developed by Dr. Frank Charles Thompson in the early 1900s. Unlike standard study Bibles that offer personal commentary, the Thompson system uses over 100,000 marginal references to link more than 8,000 topics , allowing the "Scripture to interpret Scripture".
: Blue Letter Bible offers the "Special Bible Readings" from the Thompson system for free online use.