«Spithead is a stretch of water in the Eastern Solent of Great Britain, between the entrance to Portsmouth harbour and the Isle of Wight.», fra artikkelen «What and where is Spithead?»Arkivert 11. januar 2014 hos Wayback Machine., fra National Maritime Museums nettsider
«Spithead is a stretch of water in the Eastern Solent of Great Britain, between the entrance to Portsmouth harbour and the Isle of Wight.», fra artikkelen «What and where is Spithead?»Arkivert 11. januar 2014 hos Wayback Machine., fra National Maritime Museums nettsider