Source citation ledger

De Re Metallica

Georgius Agricola; Herbert Clark Hoover and Lou Henry Hoover (translation)

translation · 1556 Latin; Hoover English 1912

Georgius Agricola, De Re Metallica, trans. Herbert Clark Hoover and Lou Henry Hoover (1912).

De Re Metallica

Added 2026-10-18 for Lane A craft/object meetings Pliny and Laufer do not cleanly license. Prefer one claim per edge; refuse periodic-table dumps.

These are separate Atlas meetings that cite this source. Citation is not proof.