491st Bombardment Group at Metfield

Among those histories are:

• 491st Bombardment Group (H), Inc. Ringmasters: History of the 491st Bombardment Group (H) 
• Peter Bodle: The 492nd and 491st Bomb Groups in Norfolk: A Pictorial History 
• Information about the individual bases comes from from George H Fox's 8th Air Force Remembered: An illustrated guide to the memorials, memorabilia and main airfields of the US 8th Air Force in England in WW2 (London: ISO Publications, 1991).

For more on the history of the airfield, see:

• Martin Bowman: Bomber Bases of WW2: 2nd Air Division 8th Air Force USAAF 1942-45
• Michael Bowyer: Action Stations Revisited: No 1 Eastern England
• Ken Delve: The Military Airfields of Britain: East Anglia (Norfolk and Suffolk)
• Roger Freeman: Airfields of the Eighth Then and Now

If you're interested in any of these books you can find and reserve them at the Norfolk Online Catalogue.