Olszewska-Świetlik, J. (2018). 
	The painting ‘The Allegory of Life’, from the collection of Professor Wieslaw Litewski, the University Museum in Torun. History, technology, and technique. Opuscula Musealia, 2018, 189-208. doi: https://doi.org/10.4467/20843852.OM.17.016.9613