Algaba, F. and Nesi, G. 2023. Brief history of the who blue books on urinary and male genital tumours. Pathologica - Journal of the Italian Society of Anatomic Pathology and Diagnostic Cytopathology. 115, 1 (Feb. 2023), 1-2. DOI:https://doi.org/10.32074/1591-951X-840.