titled Measure of Magnitudes, a translation of La Mesure des Grandeurs, first published serially in Enseignement mathématique, ser. 1, vols. 31-34, 1933-1936; then reprinted in Geneva in 1956 as a monograph by Enseignement mathématique
Henri Lebesgue, Measure and the Integral, trans. by Kenneth O. May, (Holden-Day, 1966), pages 125-168.
Lebesgue, Henri, "Measure and the Integral: Part I" (1966). 2017, February 10-11 ORESME Reading Group Meeting. 2.