Fred Hando records in his 1964 volume Here and There in Monmouthshire, "Murage was a tax for keeping walls in repair; pontage for repairing a bridge; pavage for paving of streets; lastage was a duty paid for a ship-freight, stallage the right to erect stalls at fairs; tronage a toll for weighing wool; keyage was payment for use of a quay; landage was land tax."[26]
Public Works 1933, p. 414. Public Works, Roads and Transport Congress (1933). British Bridges. Unknown: Public Works Roads and Transport Congress. OCLC499888603.
Yale Center for British Art, Lec Maj. "The Monnow Bridge, Monmouthshire". Yale Center for British Art, Paul Mellon Collection. Retrieved 9 February 2017.