sentences:  Since the 1930s, the British Record Society has been primarily a publishing society for English records, frequently in conjunction with county historical societies.By 2012, 126 volumes of the Index Library had been published over 123 years, besides two extra volumes and some microfiche.Over the past half century the Society has largely, but not exclusively, concentrated on the publication of name indexes to probate records, and the texts of Hearth Tax returns from the 1660s and 1670s.