| Link | Title | Author | Source | |
| Link | Impressed Revenues (aka Policy Marine Insurance) |
McLennan, Andrew; Seidelman, Norman; with Jarvis, Steve |
Revenue Society Journal, Vol XVIII #3 & 4, w/n 71/72, Dec 2007 & Mar 2008 with later updates |
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| Link | Policy Marine Insurance | Cameron, Sutcliffe, Jarvis | Historical papers |
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