Minkowski, Hecke, Landau, Sylvester, and Other Classical Mathematics Authors: Modern LaTeX Drafts

General author cluster for the Modern LaTeX Editions of Mathematics Manuscripts project. This record holds working packets for authors that are not yet split into dedicated author records, including Minkowski, Hecke, Landau, Frobenius, Poincare, Kneser, Kronecker, Picard, Klein-Fricke, and related classical mathematics. Some former mixed-shelf authors now have dedicated records; older copies here remain backstop/provenance where present. Status at a glance. This is a staging shelf. Some packages are source-witnessed working drafts; others are update packets, provenance, OCR/source-witness aids, or repair materials. Readers should use package README/status files and the public GitHub mirror for current status and correction pathways. Latest update. Adds poincare_v1_21.zip and Kneser_LVR_p0177_0192_DE_EN_20260612.zip. Poincare v1_21 contains complete Chapter XIV of the Tome I French/English working branch and stops before Chapter XV; no figures, diagrams, tables, or plates occur in that tranche, and all displayed mathematics is editable TeX. The next Poincare continuation is CHAPITRE XV. — ÉTUDE PARTICULIÈRE DU TORE, beginning at source witness v1_0285. Kneser p0177-p0192 covers §40, §41, and §42 complete, stops before Fifth Section / §43 on p0193, includes source-derived whitened crops for Figs. 19 and 20 rather than drawn replacements, and uses the high-quality archive.org source witness for scans and figure crops. Corrections and collaboration. Public working mirror and issue/pull-request surface: https://github.com/KokunoYumeto/modern-latex-manuscripts.