Compare for example similar usage of the term in 1938: The American Biology Teacher. 53. National Association of Biology Teachers. 1938. стр. 211. Приступљено 16. 4. 2021. „The foundation from which these behaviors spring is the ideology known as speciesism. Speciesism is deeply rooted in the widely-held belief that the human species is entitled to certain rights and privileges.”CS1 одржавање: Формат датума (веза)