From Davemadson, G4p TV (Norman Jones), and Geraint Lewis respectively. Credit to them and especially everyone, including Terry Toons, DecadesMTS2002 Logo Vault and Steve Stanchfield. A tribute to JEAPI Productions.
Fictional + real years:
Davemadson's LTIB: That's News to Me (1948, reissued so early in 1952, 2012, remade May 2018)
ULB 100: Celebrating a Milestone! (1953, December 2019)
Geraint Lewis' LTIB: How It All Began (1931, reissued 1978 with the Geraint Lewis logo slowed down in 30fps because it was made for 25fps projectors, 18 May 2013)
Ending themes: Sheep Shape (1946), Stop, You're Killing Me (1952), Club Sandwich (1931)