 A Direct Photoelectric Determination of Planck's h by Robert Andrews Millikan

By Robert Andrews Millikan. Physical Review 7(3), 355–388; March 1916. DOI 10.1103/PhysRev.7.355.

Cited passages: §§1–3, pp. 355–367, Figures 1–3; §4, pp. 372–375, Figures 5–6; §5, pp. 380–382. This is the March paper, distinct from the January 1916 paper.