The elements of drawing,
& The elements of perspective,
by John Ruskin.
Ruskin, J. (1920). The elements of drawing: & The elements of perspective. London: J. M. Dent & sons, ltd..
Ruskin, John, 1819-1900. The Elements of Drawing: & The Elements of Perspective. London: J. M. Dent & sons, ltd., 1920.
Warning: These citations may not always be complete (especially for serials).