WHO Classification of Tumours:
This series of books was developed by the World Health Organization "...to offer pathologists, oncologists and geneticists worldwide a system of classification for human neoplasms that is based on their histopathological and genetic features. This is in accordance with the longstanding WHO principle that international agreement on criteria for the definition and classification of cancer types and a standardized nomenclature are prerequisites for progress in clinical oncology, multicentre therapy trials and comparative studies in different countries. ... *"
They serve as one authoritative reference regarding international criteria and nomenclature for a wide variety of systems. Published in the series include: