Robert Burns (1819). “The Prose Works of Robert Burns: Containing His Letters and Correspondence, Literary and Critical, and Amatory Epistles Including Letters to Clarinda, &c., &c”, p.215
Robert Burns, P. A. N., Robert Eldridge Aris WILLMOTT (1866). “The Poetical Works of Robert Burns. Edited by the Rev. Robert Aris Willmott. New Edition. With Numerous Additions. [The Preface Signed: P. A. N.]”, p.54