Autograph sketch for a single-movement piece.

Five movement score of a suite for solo violin dedicated to Walter Schulze-Prisca, composed and published by Oppel with plate number R.O.2.

Autograph sketch of work for solo treble instrument and piano in G minor.

Sketch of a piece possibly for piano dated September 15, 1915 written on grand staff paper printed in Leipzig.

Autograph sketch of a piece for solo treble instrument and piano composed from July 28-30, 1918 at Lille.

Last two pages of the first movement of a piano sonata composed on June 9, 1919 in Kiel by Oppel; begun in Box B, Folder 1, Item 22 in this collection.

Contains only "Komm nicht in später nacht" (Ungarisches Volkslied / Hungarian folk song) for two sopranos and alto with piano accompaniment.

First four pages of the first movement of a piano sonata composed on June 9, 1919 in Kiel by Oppel; continued in Box B, Folder 1, Item 23 in this collection.

Diploma given to Reinhard Oppel for the degree of Doctor of Philosophy conferred from Ludwig Maximilian University of Munich on March 6, 1911.

Preface on title page lists this volume as part of "Courses in Dr. Hoch's Conservatory in Frankfurt a[m] M[ain]." Title reads, "The fugues of the 'Well-Tempered Keyboard' of Joh[ann] Seb[astian] Bach in pictoral representation published as an appendix and addition to his textbook on the composition of the fugues by Iwan Knorr." Inside text is given in German, English, and French. Published in Leipzig in 1912 by Brietkopf & Härtel.