Refers (back), as to a prior subject

Usage examples of harks.

This of course harks back to the much older debate about whether memories can be localized - something I'll come back to later.

Behind them, the nineteenth-century terrace of blackened stock bricks harks back to the Georgian symmetry of the earlier century, when the area must still have been fields.

This one harks back to the period of exploration before settlement, when the name Avalon had not yet been bestowed.

Something that harks back to the great days when excess was the style.