In Australia (in addition to the above, of course) it's a remarkably similar book called "Dark Emu", which purports that Aboriginals had a well-developed, "highly evolved" civ, prior to white settlement, and... Turned out to be a complete lie. Made up. With no legitimate sources.

But by the time that became publicly known, it was already a "key text" of all these dumbshit institutions, and of "the learned classes", so of course they doubled down... snort