A transcription of extracts from the Memorial Inscriptions for the Parish Church is held in the Society of Genealogist's Library, in Vol. 5 of Devon Memorial inscriptions (DE/M18).
Brown, Mike. Throwleigh (Mini Survey). In Dartmoor Region Monumental Inscriptions Indexes, Vol. 23. Dartmoor Press, PO Box 132, Plymouth PL4 7YL.
Everett, A.W. Easter Sepulchre in Throwleigh Church. Devon & Cornwall Notes & Queries 20, 6 (1939) pp.267-269.
You can see maps centred on OS grid reference SX667907 (Lat/Lon: 50.700558, -3.888996), Throwleigh which are provided by: