Google Ngram Viewer shows some initial interest starting around 1965, plateauing until '74, relatively low until '87, and rising pretty steadily from there (wit

Google Ngram Viewer shows some initial interest starting around 1965, plateauing until '74, relatively low until '87, and rising pretty steadily from there (with a small dip in growth around '03, and a meteoric rise since then). This seems to support the argument of it being common in western literature of the last 50 years. https://books.google.com/ngrams/graph?content=alpha+wolf&year_start=1800&year_end=2019&corpus=en-2019&smoothing=3 https://books.google.com/ngrams/graph?content=alpha+wolf&yea... TV Tropes also has a good collection of occurrences in popculture, including literature. https://tvtropes.org/pmwiki/pmwiki.php/Main/AlphaAndBetaWolves https://tvtropes.org/pmwiki/pmwiki.php/Main/AlphaAndBetaWolv...