London Can Take It! (1940, dir Humphrey Jennings)

Documentary short paying tribute to Londoners' resilience under fire.
Seen from behind are London Transport STL2470 (ELP136), STL212 (AGX554), STL1198 (CLE68):
There is footage of the bombed STL576 (AYV743):
....and more distant footage of an LT and an STL:
A sequence that shows Londoners being evacuated features a number of 'deckers, only STL 1728 (DGX271) and STL1777 (DGX326) are identifiable: