- 
OJ 9/6, [12] Handwritten letter from Eugen d'Albert to Schenker, dated April 5,
                1896
 Eugen d'Albert apologizes for not having yet performed Schenker's Zwei
                Clavierstücke, Op. 1. He discusses arrangements for pupil Paula Szalit, and incloses
                the piano reduction of his opera "Ghismonda," and reports on its Dresden
                reception. 
- 
OJ 9/6, [13] Handwritten letter from Eugen d'Albert to Schenker, dated April 24,
                1896
 A conflict of loyalty over concert agent obliges Eugen d'Albert to
                decline a concert with Arnold Rosé. 
- 
WSLB 33 Handwritten letter from Schenker to Hertzka (UE), undated [December 31, 1908 or January
    1, 1909]
 Schenker defends his Introduction to the Instrumentations-Tabelle and the
    exclusion of the heckelphone. 
- 
WSLB 47 Handwritten letter from Schenker to Hertzka (UE), dated November 9, 1909
 Schenker resists attending a meeting with Hertzka and von Wöß regarding the
        printing of his edition of the Chromatic Fantasy & Fugue; asserts his rights as an
        author to control over his own material; and makes claims for the introduction to his
        Instrumentations-Tabelle, which was not accepted for inclusion in 1908
        reprinting. 
- 
WSLB 66/67 Handwritten letter from Schenker to Hertzka (UE) + list of names, dated October 19,
        1910
 Schenker cancels their Thursday meeting. — He argues for sweeping changes to
        the draft contract for Beethovens neunte Sinfonie. — He defends his own free speech in the
        face of Universal Edition's commercial interests. As with his Chromatic Fantasy & Fugue
        edition, UE will never regret publishing the Ninth Symphony monograph. — He also lauds the
        prospective editions of the last five Beethoven piano sonatas and volume of J. S. Bach
        toccatas in a lofty vision for future publications. — He appends a list of recipients of
        complimentary copies of the Chromatic Fantasy & Fugue. 
- 
OC 1 B/23 Handwritten draft letter from Schenker to Siegfried Türkel, dated March 17,
        1917
 Schenker encloses a letter from Dr. Hugo Friedmann and comments on it,
        ridiculing the lack of sophistication of the wealthy, and asserting his own indifference to
        money. 
- 
OJ 10/3, [6] Handwritten letter from Otto Erich Deutsch to Schenker, dated January 9,
        1920
 Deutsch is sorry that a customer prevented him for speaking with the Schenkers
        when they visited his store. Photographic originals will be needed for the connoisseur
        edition. 
- 
OJ 10/3, [13] Typewritten postcard from Otto Erich Deutsch to Schenker, dated August 5,
        1920
 The photograph of Speyer's sketchleaves is still forthcoming. Deutsch has
        discovered that a Dr. Wilhelm Kux possesses a further sketchleaf of the "Moonlight" Sonata,
        and asks Schenker if he wants Deutsch to try secure a reproduction of it. 
- 
OJ 10/3, [14] Typewritten letter from Otto Erich Deutsch to Schenker, dated August 16,
        1920
 Deutsch has written to Wilhelm Kux [about his sketchleaf of the "Moonlight"
        Sonata], and has received a letter from Edward Speyer, in which Speyer explains that he
        cannot make a copy of his sketchleaf of the "Moonlight" Sonata while in the countryside.
        Speyer also writes that a further sketchleaf of the "Moonlight" Sonata is held in the
        Fitzwilliam Museum and has supplied a facsimile. Deutsch asks Schenker if he would like him
        to write to the Museum to request a photograph of the sketchleaf. 
- 
OJ 10/3, [17] Typewritten letter from Otto Erich Deutsch to Schenker, dated November 6,
        1920
 Deutsch encloses two photographic prints of the Fitzwilliam Museum's
        "Moonlight" Sonata sketchleaf. Edward Speyer has not yet had his sketchleaf photographed,
        but has sent a description of its content, which Deutsch passes on. 
- 
OJ 10/3, [20] Typewritten letter from Otto Erich Deutsch to Schenker, dated November 26,
        1920
 Replying to Schenker's postcard of November 20th, Deutsch writes that the
        connoisseur edition is to be reproduced using photolithography, and repeats the particulars
        of the Fitzwilliam Museum's "Moonlight" Sonata sketchleaves. Speyer has allowed his
        sketchleaf of the Sonata to be photographed, and reports that he also owns a letter from
        Beethoven to Schlesinger (Paris) about corrections to the C minor Sonata (Op. 111).
        Universal Edition urgently requires a prospectus for the Beethoven day, and so Deutsch asks
        for sight of the draft of Schenker's Preface. 
- 
OJ 11/36, [17] Handwritten letter from Hammer to Schenker, dated March 1, 1925
 Hammer describes his travels and work in the past eight months, and compares the
    piano playing of Otto Vrieslander with that of Schenker. 
- 
JOB 94-3, [10] Handwritten letter from Schenker to Hammer dated March 12, 1925
 Wherever Hammer may travel, Schenker declares, he will never lose his
        Germanness. Schenker asserts the superiority post-WWI of the German nation over those of the
        west. -- He describes his own pianism: his "fingers are like musical brains." -- He gives an
        account of the dispute with Universal Edition and the outcome of negotiations with Drei
        Masken Verlag.  
- 
JOB 94-3, [11] Handwritten picture postcard from Schenker to Hammer, dated July 26, 1925
 Schenker inquires as to Hammer's whereabouts, referring to a current scandal
        surrounding the Albertina gallery in Vienna. He asks about "the first
        print." 
- 
OJ 6/7, [25] Handwritten letter from Schenker to Moriz Violin, dated October 25, 1925
 In this wide-ranging letter, Schenker commiserates with Violin about the high
        cost of living, and his inability to raise his fees to keep up with it (in particular, he
        feels unable to ask the wealthy Hoboken to pay more than his other pupils). He reports on
        sales of a medallion bearing his image, and the imminent arrival of a mezzotint of his
        portrait, made by Viktor Hammer, of which his brother Moses Schenker has bought the original
        drawing. Vrieslander will write an essay about his work in Die Musik, accompanied by the
        portrait, and things are now going well with the corrections to Meisterwerk 1 and the
        writing of Meisterwerk 2. 
- 
OJ 11/54, [12] Handwritten letter from van Hoboken to Schenker, dated January 28, 1927
 Hoboken had to cancel his planned visit to John Petrie Dunn because of illness. —
    He reports on library visits in London and Paris, discusses manuscripts and conditions for
    photography, purchases. — He plans no further trips this season. 
- 
OJ 10/13, [4] Handwritten letter from Dunn to Schenker, dated February 1, 1927
 After a long silence, Dunn sends Schenker his abridged translation of
        Kontrapunkt, vol. 2, Parts III–IV, expresses regret that Hoboken’s illness prevented him
        from visiting, and hopes that they might meet up in London in June.  
- 
OJ 11/54, [14] Handwritten letter from van Hoboken to Schenker, dated August 7, 1927
 Hoboken reports on recent travels, including the July 15, 1927 Vienna riots. – He
    has made progress on his index of Haydn's works, and has purchased some Beethoven first
    editions. – He hopes to meet Furtwängler soon, and has recently heard from Vrieslander. – He
    asks Schenker to inscribe a copy of Meisterwerk 2 to John Petrie Dunn. 
- 
OJ 11/54, [15] Handwritten letter from van Hoboken to Schenker, dated August 28, 1927
 Hoboken reports on meeting with Furtwängler regarding the Photogrammarchiv, and
    expresses the hope that it will be possible to interest Furtwängler in performance according to
    the sources in the Archive; he encloses the final version of the "Aufruf" for the Archive, and
    discusses negotiations with the Austrian National Library and Ministry of Education. — Comments
    on Oppel's plan to teach in Leipzig. — Agrees to Schenker's lesson plan and fee for 1927/28. —
    Describes his travel plans, which include meetings with Louis Koch in Frankurt, Ludwig
    Schiedermair in Bonn, contact with John Petrie Dunn in England, C. S. Terry in Scotland, and
    Maurice Cauchie in Paris, and photographing [of sources] at the [Paris] Conservatory.  
- 
OJ 11/54, [16] Handwritten letter from van Hoboken to Schenker, dated August 30, 1927
 Hoboken has met a violinist, Dr. Loewenstein, who consults early editions and
    manuscripts for performance purposes, and who cites Otto Klemperer as interpreting from early
    sources. -- Gives addresses for forthcoming travels.  
- 
OJ 89/1, [5] Handwritten letter from Schenker to van Hoboken, dated September 13, 1927
 Schenker acknowledges OJ 11/54, [17], and discusses the nature of a "prospectus"
    and the suitability of Vrieslander's text for that purpose. — He expresses an interest in
    Hoboken's latest discoveries, and asks whether the latter could inquire in London as to the
    whereabouts of the autograph manuscript of Beethoven's Op. 106.  
- 
OJ 89/1, [6] Handwritten letter from Schenker to van Hoboken, dated October 4, 1927 
 Schenker thanks van Hoboken [for subventing Yearbook 2], while complaining at
    Drei Masken Verlag's failure to send him his author's copies and its lack of honesty; he praises
    Hoboken for his collection and service to mankind.  
- 
OJ 11/54, [23] Handwritten letter from Hoboken to Schenker, dated March 21, 1928 
 Hoboken has still made no progress on photographic work at the Paris
    Conservatory. — He will go to Rotterdam and Münster. — Speaks of the importance of his Archive
    work and contacts he has made. Will probably go to a concert featuring music of Alban Berg. — He
    asks Schenker to intervene with O. E. Deutsch.  
- 
OJ 10/3, [82] Typewritten postcard from Deutsch to Schenker, dated March 26, 1928
 Deutsch writes about the sketches for a symphony in E major by Schubert, in
        the possession of the Royal College of Music in London. He would like to have a copy made so
        that the work can be published – possibly by Oxford University Press. The costs should be
        borne by the publisher, not the Photogram Archive, which would nonetheless get a copy of the
        reproduction. 
- 
OJ 11/54, [24] Typed letter from Hoboken to Schenker, dated August 27, 1928 
 Hoboken recounts his and his wife's travels through Germany, including encounters
    with Thomas Mann and others. He expects to return to Vienna in mid-October.  
- 
WSLB 400 Handwritten letter (in Jeanette's hand) from Schenker to Hertzka (UE), dated
        November 27, 1928
 Schenker reports the impact of his Urlinie concept on the educational world
        within Germany and in the USA. — He seeks to re-establish a working relationship with UE,
        raising the cases of his unfinished elucidatory edition of Beethoven Op. 106, the analytical
        study of the "Eroica" Symphony on which he is now working, and Der freie Satz, vol. III of
        NMTF, still outstanding. — He is angling retroactively for a monograph series comprising his
        existing studies of the Ninth and Fifth Symphonies and his forthcoming study of the
        "Eroica." 
- 
OJ 14/5, [37] Handwritten letter from Moriz Schenker to Heinrich Schenker, dated August 8,
        1930
 Moriz Schenker reports that the mortgage formalities [on the Arzberg
        property] will not be completed before August 15. -- He has set up a new company. -- He
        reports on his daughter Helga and his son Georg, who is troublesome. 
- 
WSLB-Hds 191.568 Handwritten letter from Schenker to Deutsch, dated August 23, 1930
 Schenker is sending Deutsch copies of letters written by Leo Kestenberg
                praising his theories for their practical application to composition and
                performance, noting that Furtwängler is championing his cause everywhere. -- He then
                launches into a tirade against the city of Vienna for snubbing him and his
                work. 
- 
OJ 10/3, [150] Handwritten picture postcard from Deutsch to Schenker, dated July 1, 1931
 Deutsch expresses concern that his last letter may have been misunderstood.
        The question of textual corruption of musical masterworks may be raised at the Department of
        International Intellectual Collaboration in Geneva. The Mozart letter on which Schenker
        elaborated was mentioned in the first edition of Jahn but now survives only in poetic and
        philosophical biographies of the composer. 
- 
OJ 11/54, [37] Handwritten letter from Hoboken to Schenker, dated January 1, 1932
 Hoboken sends New Year's greetings, refers to an article about the Photogram
        Archive, and outlines his travel plans. 
- 
OJ 89/7, [12] Typewritten letter (carbon copy) from Hoboken to Schenker, dated July 31,
        1934
 Hoboken assures Schenker that he will support him in his work. — He outlines
        the restrictions that he has placed on Otto Erich Deutsch, and expresses irritation that
        Deutsch has been offered a course at the Vienna Academy. — He is annoyed at the political
        views expressed by E. F. Schmid, who has been appointed at the University of
        Graz.