1632. Lithgow, Trav., VI. 285. A grateful and vnforgetfull Frier.
1850. Blackie, Æschylus, I. 111. For vengeance unforgetful, From their graves they call.
1888. Mackey, Life Bp. Forbes, ix. 76. Of the bishops unforgetfulness of those to whom honour is due, the accompanying circular-letter abundantly witnesses.