Not forgetting:

Popular song: “How the Money Rolls In,” by Jean C. Havez & Ted S. Barron (1879-1943), Metropolis Music Co., crt. May 6, 1913.

The chorus begins, “My mother’s a fancy dress-maker.”

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International Socialist Review (Dec., 1915):

"Here's an old verse of an old song. If anybody knows more verses to the same song, send 'em in:

My mother she takes in washing,
My father he fiddles for gin,
My sister she works in a laundry,
My God! how the money rolls in!"