— Von U.-E.: Urlinie zu Beethoven, ¹ Korrektur; Brief= OC 52/451, worin Hertzka den Titel: Urlinie Ausgabe vorschlägt, falls ich mich entschlösse, jeder Sonate eine beizugeben. — Spaziergang Stadtschleife ½5–½6^h. — An op. 109 bis spät [illeg]nachts.

— From UE: Urlinie of Beethoven, ¹ proof ; letter= OC 52/451 in which Hertzka suggests the title: "Urlinie Edition," in case I decide to include one for every sonata. — For a walk through the city 4:30–5:30. — Worked on Op. 109 until late at night.

— Von U.-E.: Urlinie zu Beethoven, ¹ Korrektur; Brief= OC 52/451, worin Hertzka den Titel: Urlinie Ausgabe vorschlägt, falls ich mich entschlösse, jeder Sonate eine beizugeben. — Spaziergang Stadtschleife ½5–½6^h. — An op. 109 bis spät [illeg]nachts.

— From UE: Urlinie of Beethoven, ¹ proof ; letter= OC 52/451 in which Hertzka suggests the title: "Urlinie Edition," in case I decide to include one for every sonata. — For a walk through the city 4:30–5:30. — Worked on Op. 109 until late at night.