From WILL - Classics of the Phonograph -

Dvorak Cello Concerto Classic Recording

A classic recording is one which is used as a standard for all recordings of that composition that come after it. Cellists playing the Dvorak Cello Concerto have come and gone over the decades, but their performances are still compared to one made in April 1938 in Prague by Pablo Casals. This recording has never been out of print, and it is hard to imagine it ever being so. You can hear it on the program.