É. Apor (ed.): David Kaufmann Memorial Volume: Papers Presented at the David Kaufmann Memorial Conference, November 29, 1999, Budapest.
ORMOS, István: David Kaufmann and his Collection
ISTVÁN ORMOS 182 Fig. 10. The sign of Gemini and the labour of the month of Siwan. Tripartite Mahzor vol. 1. MS Kaufmann A 384, fol. 143r.
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