The Grayson and Whitter recording is available on CD: 'The Recordings of Grayson and Whitter' County CO-CD-3517 and also on 'Grayson and Whitter: Complete Recorded Works Vol 2' Document DOCD-8055. The recording was made on 30 Sept 1929 in NYC and issued as Vi V40235 in May 1930.
--Stewie.