 The Probable Error of a Mean by William Sealy Gosset

By William Sealy Gosset, published under the pseudonym Student. Biometrika 6(1), 1–25, March 1908. Wikisource hosts the inspected transcription of the original paper; its editing dates are not journal publication dates.

Inspected text: en.wikisource.org/wiki/The_Probable_Error_of_a_Mean

DOI: doi.org/10.1093/biomet/6.1.1

Inspected locators: original title and Student byline; Introduction; Sections II, III and VI. Historical notation differs from the modern convention.