Amanda Bevan, Tracing Your Ancestors at the PRO, 6th edition (PRO, 2002)

Roger Kershaw, Immigrants and Aliens: A Guide to Sources on UK Immigration and Citizenship (PRO, 2000)

Kelvin Smith, Chris Watts and Michael Watts, Records of Merchant Shipping and Seamen (PRO Publications, 1998)

Imperial War Museum, Tracing Your Family Tree: Merchant Seamen (IWM, 2000)