Amongst the elements represented on the column of each rook on the light side are those in Burns: 'To a Mouse' and 'To a Mountain Daisy'.

A select collection of English songs was my vade mecum, I pored over them driving my cart, or walking to labor - song by song, verse by verse; carefully noting the true, tender or sublime, from affectation and fustian; - - I am convinced I owe much to this for my critic-craft,
such as it is.
Autobiography (1775)