Electronic: The British Museum. The Prudent Mother (Derby figure). The British Museum 08/23/2022 https://www.britishmuseum.org/collection/object/H_1936-0715-40-CR
• Derby porcelain figure after same design source: Derby Porcelain Factory white figure of The Prudent Mother, c. 1790, "based on a painting, known through two versions, by the German portrait painter Phillippe Mercier (c. 1689-1760), as 'The Bible Lesson' or 'L'instruction Maternelle'."Book: Schkolne, Myrna. 2014 Holding the Past: The William Herbert and Nancy Hunt Collection of Early English Pottery Figures.
• Closely similar (smaller) model of The Prudent Mother in polychrome enameled earthenware: p. 127, no. 99, after Philippe Mercier (1689-1760) so-called "The Bible Lesson" reproduced 1760 and later variations by Carington Bowles as "The Prudent Mother." Notes Enoch Wood-associated example impressed "13" and probably earlier Derby Porcelain versions.Book: Harding, Adrian & Harding, Nicholas. 1998 Victorian Staffordshire Figures 1835-1875. 1.
• Same models and smaller one, identified tentatively as Agnas: p. 40, fig. 1767, notes though called Agnas, no supporting evidence.