Prototype. This searches the text layer of the eleven published PDFs. Click a result to read the page and see the scanned image beside it, or follow the source link to open that page in the published volume on jitneyyears.org. Roughly 200 of the 6,259 pages are photographic plates or scanned drawings carrying no machine-readable text; those pages have an image here but no searchable text and would need OCR.
Page numbers are PDF page numbers, which typically run one ahead of the page number printed on the sheet. Citing a J–L surname means checking three files in order: the 2016–2023 Roster J-Z base, then the 2026 J-L Update, then the Addendum.