In the preface to the manuscript, Urwick writes: 'These lessons were given to a lady relative of the Alnutt family, and were written out by her at the dictation of David Cox Senr ... They are corrected in various places in his own handwriting, and are very interesting not only as lessons, but as showing Cox's method of teaching ... Mr. Henry Osburn, the owner of the Drawings, has very kindly placed them at my disposal, with permission to reproduce them in aqua tint [sic] .... '