By way of @rogueclassicist and Chuck Jones' Ancient World Online (AWOL) blog, I see that this open-access ebook (available also in print) is now available:
Sarah Derbew, Daniel Orrells, and Phiroze Vasunia, eds. Classics and Race: A Historical Reader. London: UCL Press, 2025. https://doi.org/10.14324/111.9781800088139.
"... provides scholars and students with an exploratory intellectual history of the complex relationships between Classics and racist/anti-racist thought-systems. It collects together a series of readings of historical primary sources from the late medieval period until the mid-twentieth century, bringing to light how the classical tradition and post-ancient constructions of race have informed each other. Each reading is accompanied by an essay, written by a leading specialist who offers a discussion of the primary source..."