In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described Crostwight like this:
CROSTWIGHT, a parish in Tunstead district, Norfolk; 3½ miles E by S of North Walsham railway station, and 16 NE by N of Norwich. Post town, North Walsham, under-Norwich. Acres, 777. Real property, £1, 243. Pop., 73. Houses, 15. The property is divided between two. The living is a rectory in the diocese of Norwich. Value, £66.* Patron, M. Shephard. Esq. The church is old but good, and has a tower.
A Vision of Britain through Time includes a large library of local statistics for administrative units. For the best overall sense of how the area containing Crostwight has changed, please see our redistricted information for the modern district of North Norfolk. More detailed statistical data are available under Units and statistics, which includes both administrative units covering Crostwight and units named after it.
GB Historical GIS / University of Portsmouth, History of Crostwight in North Norfolk | Map and description, A Vision of Britain through Time.
Date accessed: 29th May 2015
Click here for more detailed advice on finding places within A Vision of Britain through Time, and maybe some references to other places called "Crostwight".