Complex sentence: Many of the tales which appear in the Konjaku are also found in other collections, such as ghost story collections; having passed into the common consciousness, they have been retold many times over the succeeding centuries.
Split into simpler sentences: Many of the tales which appear in the Konjaku are also found in other collections, such as ghost story collections. All these tales, having passed into the common consciousness, have been retold many times over the succeeding centuries.