Source citation ledger

The Boy's Book of Trades and the Tools Used in Them

PD Gutenberg ed.

book · PD Gutenberg #69841

The Boy's Book of Trades… (PD Gutenberg #69841).

The boy's book of trades and the tools used in them

Added 2026-10-23 (NS30 yield-gated after NS29 Lane B). Preflight concrete-orphan body-license 29 (≥25). Keep apart cassell-mechanics and moxon-printing.

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