Richardson's 'Old Sow' is available on various cds (including Topic's Voice of the People series) but at the moment it can be heard online at  http://www3.youtube.com/watch?v=vm61Dz7Nr5g

George Frampton's article in FMJ includes a transcription of the words as recorded in 1928, and one page of sheet music ("authentic version by Albert Richardson, original singer on Regal Zone. T.5178") based on the later recording of 1934.