Check the work at the page.
Every citation in the notes is a link. Click one and the page it cites opens here, cut from the held copy of the source, so the quotation and the pin can be read against the original without leaving this screen.
948 citations open a published page, from 274 sources. Pages still in copyright, or reproduced under a licence, are held in the library and marked here rather than shown.
Loading the citation index…
Only public-domain pages are published; every other citation is marked as held in the library.
PDF rendered 2026-10-06 (331 pp.; sha256 b86a43956f1e…) · text current to 2026-10-06 (sha256 bed36fcc66e1…, blob 582a3e75)
Where Immunity Came From: the history of immunity in 74 entries, 1750 BC to 2025, drawn from this book — each citation opens the passage here that cites it.