Recordings by 'Mona Motor Oil Twins'

Here is a discography of 2 phonograph recordings by "Mona Motor Oil Twins" :

Im Saving Saturday Night For You - COLUMBIA (USA): Discs - 1340D - ; matrix: W144980; ~3 min
The Book On Etiquette - COLUMBIA (USA): Discs - 1340D - ; matrix: W144977; ~3 min