Worthington family (John Worthington, 1650-1701).

1. Ancestrial [sic] lines of Helen Worthington Gauss / compiled by William Theodore Gauss and his wife Helen Worthington Gauss and their daughter Helen Worthington Gauss ; indexed by Helen Worthington Sansone.

Worthington family (Jonathan Worthington, 1756-1821).

1. A history of the Adams family of North Staffordshire, & of their connection with the development of the potteries, with numerous pedigree charts & notes on allied families, by Percy Walter Lewis Adams.