1805, Walley Chamberlain Oulton, The Traveller's Guide; Or, English Itinerary, page 436:
Besides these branches, there are several rithes or channels, […]
1927, Osbert Guy Stanhope Crawford, Antiquity, page 156:
[…] in Tingrithe (Bedfordshire), really thing-rithe or stream, by the site of Manshead hundred meeting-place, and in the discovery in the North Riding of the names Landmoth, i.e. land-moot, and Fingay (i.e. thing-how) Hill close together.
Oftedal, M. (1956) A linguistic survey of the Gaelic dialects of Scotland, Vol. III: The Gaelic of Leurbost, Isle of Lewis, Oslo: Norsk Tidsskrift for Sprogvidenskap