Heart Motu Cordis" (1628) by the English physician William Harvey. Harvey's book completely describes the systemic circulation and the mechanical force of the heart, leading to an overhaul of the Galenic doctrines. Otto Frank (1865–1944) was a German physiologist; among his many published works are detailed studies of this important heart relationship. Ernest Starling (1866–1927) was an important English physiologist who also studied the heart. Although they worked largely independently, their combined efforts and similar conclusions have been recognized in the name "Frank–Starling mechanism". Although Purkinje fibers and the bundle of His were discovered as early as the 19th century, their
Some Reulis and Cautelis to be observit and eschewit in Scottis poesie Some Reulis and Cautelis to be observit and eschewit in Scottis poesie Ane Schort Treatise conteining some Reulis and Cautelis to be observit and eschewit in Scottis poesie (1584) is the full title of a work of non-fiction prose in Scots, also called The Essayes of a Prentise in the Divine Art of Poesie, written by the 19-year-old James VI of Scotland (later also James I of England) and first published in Edinburgh. Its original purpose was to describe and propose the ideal standard for poets writing in the Scottish tradition, a tradition which includes James' direct ancestor, James I