E. Cobham Brewer 1810–1897. Dictionary of Phrase and Fable. 1898.
Piper that Played before Moses (By the).
Per tibicinem qui coram Mose modulatus est. This oath is from Tales in Blackwood [Magazine, May, 1838]: Father Tom and the Pope (name of the tale). (Notes and Queries, April 2, 1887, p. 276.)
