Economics PhD requirements at Harvard 1904-05

First established in that year

Not until 1904-05 did Harvard award a PhD degree in economics. Up to that time economics fell under political science. The memo motivating the introduction and the degree requirements for a PhD in economics in 1904-05 https://www.irwincollier.com/harvard-economics-ph-d-established-degree-requirements-as-of-1904-05/