Recordings by 'Blackbirds Of Harmony'

Here is a discography of 2 phonograph recordings by "Blackbirds Of Harmony" :

Sos Your Old Man - GENNETT (1920 - 1930) - 3333 - ; matrix: X0155; ~3 min
Sos Your Old Man - SILVERTONE (1920's, for Sears) - 3831 - ; matrix: X0155; ~3 min