Erma Bombeck (2013). “The Erma Bombeck Collection: If Life Is a Bowl of Cherries, What Am I Doing in the Pits?, Motherhood, and The Grass Is Always Greener Over the Septic Tank”, p.167, Open Road Media
Robert Burns, Robert Chambers (1838). “The Poetical Works of Robert Burns. To which are Now Added, Notes Illustrating Historical, Personal, and Local Allusions. [The Editor's Preface Signed: R. C., I.e. Robert Chambers.]”, p.42