Analysis of information sources in references of the Wikipedia article "Sister city" in English language version.
Alfred Robert Grindlay's telegram to Stalingrad, 16 September 1942
Coventry was the first city in the world to twin with another. In 1944 Coventry started a trend that would spread across Europe and the rest of the world.
Roll of the Mayors of Coventry - 1941 Alfred Robert Grindley (Grindlay)
Message from Coventry to Stalingrad (1941)
Roll of the Mayors of Coventry - 1941 Alfred Robert Grindley (Grindlay)
Message from Coventry to Stalingrad (1941)
Coventry was the first city in the world to twin with another. In 1944 Coventry started a trend that would spread across Europe and the rest of the world.