Mason, Geoffrey B (2005). "HMS Lulworth, cutter". Service Histories of Royal Navy Warships in World War 2. Archived from the original on 11 October 2011. Retrieved 31 August 2011 – via Naval-History.net.
Mason, Geoffrey B (2005), "HMS Hartland, cutter", Service Histories of Royal Navy Warships in World War 2, archived from the original on 11 October 2011, retrieved 31 August 2011 – via Naval-History.net
Mason, Geoffrey B (2005), "HMS Fishguard, cutter", Service Histories of Royal Navy Warships in World War 2, archived from the original on 11 October 2011, retrieved 31 August 2011 – via Naval-History.net
Mason, Geoffrey B (2005), "HMS Sennen, cutter", Service Histories of Royal Navy Warships in World War 2, archived from the original on 10 October 2011, retrieved 31 August 2011 – via Naval-History.net
Mason, Geoffrey B (2005), "HMS Culver, cutter", Service Histories of Royal Navy Warships in World War 2, archived from the original on 11 October 2011, retrieved 1 September 2011 – via Naval-History.net
Mason, Geoffrey B (2005). "HMS Banff, cutter". Service Histories of Royal Navy Warships in World War 2. Archived from the original on 11 October 2011. Retrieved 1 September 2011 – via Naval-History.net.
Mason, Geoffrey B (2005). "HMS Landguard, cutter". Service Histories of Royal Navy Warships in World War 2. Archived from the original on 11 August 2011. Retrieved 1 September 2011 – via Naval-History.net.
Mason, Geoffrey B (2005). "HMS Totland (Y 88) - ex-US Coast Guard Cutter". Service Histories of Royal Navy Warships in World War 2. Archived from the original on 11 October 2011. Retrieved 1 September 2011 – via Naval-History.net.
Mason, Geoffrey B (2005). "HMS Lulworth, cutter". Service Histories of Royal Navy Warships in World War 2. Archived from the original on 11 October 2011. Retrieved 31 August 2011 – via Naval-History.net.
Mason, Geoffrey B (2005), "HMS Hartland, cutter", Service Histories of Royal Navy Warships in World War 2, archived from the original on 11 October 2011, retrieved 31 August 2011 – via Naval-History.net
Mason, Geoffrey B (2005), "HMS Fishguard, cutter", Service Histories of Royal Navy Warships in World War 2, archived from the original on 11 October 2011, retrieved 31 August 2011 – via Naval-History.net
Mason, Geoffrey B (2005), "HMS Sennen, cutter", Service Histories of Royal Navy Warships in World War 2, archived from the original on 10 October 2011, retrieved 31 August 2011 – via Naval-History.net
Mason, Geoffrey B (2005), "HMS Culver, cutter", Service Histories of Royal Navy Warships in World War 2, archived from the original on 11 October 2011, retrieved 1 September 2011 – via Naval-History.net
Mason, Geoffrey B (2005). "HMS Banff, cutter". Service Histories of Royal Navy Warships in World War 2. Archived from the original on 11 October 2011. Retrieved 1 September 2011 – via Naval-History.net.
Mason, Geoffrey B (2005). "HMS Landguard, cutter". Service Histories of Royal Navy Warships in World War 2. Archived from the original on 11 August 2011. Retrieved 1 September 2011 – via Naval-History.net.
Mason, Geoffrey B (2005). "HMS Totland (Y 88) - ex-US Coast Guard Cutter". Service Histories of Royal Navy Warships in World War 2. Archived from the original on 11 October 2011. Retrieved 1 September 2011 – via Naval-History.net.