Article: Grigsby, Leslie B. 03//2012 Uncorked! Wine, Objects & Tradition. County Lines Magazine. XXXV (7): 38-43.
• Published: p. 42Article: Grigsby, Leslie B. 11//2004 "From Punch Bowls to Puzzle Jugs: Drinking Vessels and Traditions in Britain and America". Winterthur Magazine. Winter 2004: 10-11.
• Published: p. 11Book: Hutchins, Catherine E., et al. 1983 Arts of the Pennsylvania Germans.
• Published: fig. 128, attributed to David B. HubnerBook: Grigsby, Leslie B. 2000 The Longridge Collection of English Slipware and Delftware.
• Evidence for "puzzle jug" as period term: vol. 1, no. S91, trailed and sgraffito slipware jug inscribed "The Reveren\D / RicharD:Nelson / GrasDaLe / 1774" and "A / PuslinG / Jug" Probably Yorkshire.Article: Crossley, Robert. 1993 "Circulatory Systerms of Puzzle Jugs". Transactions of the English Ceramic Circle. 15 (Pt. 1): 73-98.
• Detailed discussion of puzzle jugs of many types and materialsBook: 1984 Principes d'analyse scientifique: Objets civils domestiques Vocabulaire.
• French (Saint-Verain and Rouen) puzzle jugs: p. 190, nos. 973, 975; the Rouen example being tin-glazed and dated 1733.