Klemenski, M. (2024). Letters from Karol Piotrowicz to Władysław Semkowicz from the period between 1924 and 1938 in the collection of Jagiellonian Library in Krakow. The Annual of the Scientific Library of the PAAS and the PAS in Cracow, 2024, 39-60. doi: https://doi.org/10.4467/25440500RBN.23.003.19329