- Hans Brosamer (printmaker), Labours of the Months - Musicians in a boat and Gemini (Gülfferich). Part of Brosamer's Labours of the Months (Gülfferich)
- Hans Brosamer (printmaker), Labours of the Months - Musicians in a boat and Gemini (for May). In Hortvlvs Animae Lustgarten der Seelen, Mit schönen lieblichen Figuren Sampt einem newen Kalender vnd Passional Jhesu Christi, Frankfurt am Main: Hermann Gülfferich (printer), 1548 (Vienna, ÖNB) ◼
- Hans Brosamer (printmaker), Labours of the Months - Musicians in a boat and Gemini (for May). In Peter Creutzer, Planeten B[ue]chlin ..., Frankfurt am Main: Hermann Gülfferich (printer), 1549 (Freiburg im Breisgau, UB), fol. F1v ◼