51. JOSEPH DER ERNAeHRER Typescript (original) with some corrections by TM and a few notations by HLP; 2 preliminary leaves (chapter plan), 509 leaves numbered 1-510 (207 repeated in numbering, 258 omitted, 348 repeated, 349 omitted, 465-66 omitted, 480a added, 501 repeated, 502 omitted)
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