1787 J. Bentham i. 3 The..little-heard-of offence, of Maintenance.
1838 18 Aug. 233/1 Loyalty..—that ancient and now little-heard-of sentiment.
1931 72 217/2 I can trace only one extended pianoforte piece, namely the little-heard-of ‘Ballade’.
2008 14 June 34/1 A second explosion of life called the Great Ordovician Biodiversification Event, a little-heard-of episode which has been the focus of intense scientific interest in recent years.