The Japanese textbook in question only briefly mentions the atrocities committed and refers to Nanking Massacre as follows:

While many introductory textbooks on quantum mechanics will refer to L by itself, L has no real meaning except in its use as the angular momentum operator.

As a result, today's textbooks refer to the Mundell-Fleming model.

Many older textbooks and websites refer to this suborder as Anaspidea.

Many textbooks and sources refer to only scyphozoa as "true jellyfish".

Turkish textbooks refer to them only indirectly.

The historical accounts make it clear that when 19th-century textbooks referred to the Great American Desert, the allusion was not just born of some effete Eastern bias.

Older textbooks may refer to neonatal sepsis as "Sepsis neonatorum".

Many British textbooks and pottery guides refer to flint as a silica raw material, but during calcination, the amorphous silica in flint converts to cristoballite, not to quartz.

This is a specific, tangible manifestation of something that textbooks refer to as the 'global economy'.