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Royal Navy monitors Russian warships in English Channel
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British monitor ww1 hi-res stock photography and images - Alamy
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Monitors of the Royal Navy eBook by Jim Crossley - EPUB | Rakuten Kobo 9781783830046
The loss of Royal Navy monitor 'M-15' : 11 November 1917 | The Western Front Association
Avalanche Press
Royal Navy warships monitor Russian vessels sailing close to UK
Roberts-class monitor - Wikipedia
Royal Navy – Monitors – The Searchers
