Dedicated Ernst Steinitz author record for modern LaTeX transcriptions, English translation drafts, source witnesses, and QA artifacts. Current public readers cover selected work from 1894, 1897, 1899, 1901, 1905, 1910, 1911, and 1912.Status at a glance. The 1894 dissertation material is complete in paired German and English working readers. The 1897, 1899, 1901, 1905, 1910, and 1911 readers are delivered as paired German and English working files. The 1910 Algebraic Theory of Fields reader is current through sections 1-24. The 1912 Rectangular Systems II item is now complete in paired German/English working readers, with the full printed-page 297-345 source slice included for checking and continuation. The ZIP artifact preserves TeX, TXT, source scans/source PDFs, render checks, checksums, and package notes.Latest update. Promotes corpus package 21: replaces the partial 1912 Rectangular Systems II pp. 297-315 readers with complete German/English readers, keeps the full pp. 297-345 source slice, and refreshes the source/witness ZIP. The 1906 Euler polyhedron-relations note and 1908 Beitrage zur Analysis Situs remain on the source-intake follow-up list.