Lilia Zabolotnaia: The history of the private life of Maria (Lupu) Radziwiłł reflected in the images of the epoch. In: Annales Universitatis Mariae Curie-Skłodowska. Sectio M, Balcaniensis et Carpathiensis. Vol. 2. 2017. S. 209–221 PDF.
Dariusz Milewski: Between a magnate and a Cossack: two marriages of Vasile Lupu’s daughters. In: Series Byzantina. Vol. 6. 2008. pp. 45–64, here p. 53f. PDF.
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Lilia Zabolotnaia: The Riddles, Myths and Facts concerning Maria (Lupu) Radziwiłł’s Last Will and Testament. In: Istorija. Nr. 97, 1. 2015. S. 5–25, hier S. 18 PDF.