- 
OJ 5/16, [2] Handwritten draft letter from Schenker to Hertzka (UE), dated December 25,
        1908
 Schenker justifies his selection and treatment of instruments in the
        Instrumentations-Tabelle, with acid comments about the English, and dismissal of French
        contributions. 
- 
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. 
- 
OC 52/402 Typewritten letter from Hertzka (UE) to Schenker, dated March 21, 1909
 Hertzka raises several possibilities for amplifying the
        Instrumentations-Tabelle, and calls for a meeting. 
- 
WSLB 297 Handwritten letter from Schenker to Hertzka (UE), dated April 9, 1918
 Schenker encloses a review by Bekker and comments adversely.  
- 
OJ 11/30, [1] Handwritten postcard from Wilibald Gurlitt to Schenker, dated October 7,
    1918
 Gurlitt expresses admiration for Schenker's Beethovens Neunte Sinfonie, and
    inquires whether his "Formenlehre" or "Kunst des Vortrags" has yet been published.  
- 
OC 1 B/35-40 Handwritten draft letter, in Jeanette Kornfeld/Schenker's hand, from Schenker to
    Hertzka (UE), undated [June 10, 1919]
 Schenker promises to send Hans Weisse to see Hertzka. In reacting unfavorably to
    Hertzka's suggestions that the Foreword to Die letzten fünf Sonaten von Beethoven ... op. 111 be
    discarded for its second edition, Schenker puts up a stout defense of his use of polemic in his
    writings, contending that art and all manifestations of human life are inextricably
    interconnected. He claims that his pronouncements on politics now will prove correct in the long
    run. His sole concern is with the truth; he is not interested in pandering to his readers.  
- 
WSLB 303 Handwritten letter from Schenker to Hertzka (UE), dated June 12, 1919 
 Schenker promises to send Hans Weisse to see Hertzka. In reacting unfavorably to
    Hertzka's suggestions that the Foreword to Die letzten fünf Sonaten von Beethoven, Op. 111 be
    discarded for its second edition, Schenker puts up a stout defense of his use of polemic in his
    writings, contending that art, life, and politics are inextricably interconnected. He claims
    that his pronouncements on politics now will prove correct in the long run. His sole concern is
    with the truth; he is not interested in pandering to his readers. 
- 
DLA 69.930/8 Handwritten letter from Schenker to Halm, dated October 27, 1919
  Schenker writes of the deteriorating intellectual conditions in Germany and
    Austria with respect to other nations, and of the devastating political and psychological
    consequences. Schenker praises Halm's Klavierübung for its sensitivity to voice leading, and
    speaks of it as an antidote to the decline of musical literacy. He hopes to talk with Halm about
    these matters when he moves to Germany.  
- 
OJ 6/7, [3] Handwritten letter from Schenker to Moriz Violin, dated May 6, 1922
 This wide-ranging letter describes the difficulties encountered with Emil Hertzka
    at Universal Edition, concerning an attack on the music critic Paul Bekker planned for the
    "Miscellanea" of Tonwille 2. — He expresses his displeasure with Weisse for putting his success
    as a composer in the way of aiding his teacher's cause, and for exploiting his teacher's
    generosity. — Ends with generous praise for Violin's musicianship.  
- 
DLA 69.930/10 Handwritten letter from Schenker to Halm, dated September 25, 1922
 Acknowledges OJ 11/35, 20 and composition; expects to be able to comment on
    Halm's Klavierübung in Tonwille 4; reports Leipzig University's decision not to appoint him;
    speculates on the impact of Kontrapunkt 2 and Der freie Satz; public difficulty in accepting
    Urgesetze. — Aristide Briand: The importance of being well-read on a topic before commenting in
    public: Schoenberg and Reger; newspapers. — Maximilian Harden: although faithful to Schenker,
    Harden had not mastered the topics on which he wrote. — National Govenment: Schenker's
    publishing plans, including "The Future of Humanity": man's anthropomorphic thinking is a
    delusion, he needs to adapt to nature, to return to a primitive state, to abandon "development"
    and "progress" and return to primordial laws; inferior man wants to "govern" (bowel wants to
    become brain); Schenker deplores "artifice" (French) as against nature (German). — Things
    French: praises German superiority over French in its joy of work. — Higher Plane: the German
    should not abase himself before the Frenchman. 
- 
DLA 69.930/11 Handwritten letter from Schenker to Halm, dated November 2, 1922
 Schenker acknowledges receipt of two booklets on youth and the new republic,
    returns them, comments on them critically: idealistic German democrats desire maximal
    remuneration with minimal work; illustrates point by difficulties with maids in Schenker
    household; German democrats naively overestimate social and intellectual status of non-German
    commoners (French, British, American); Schenker decries cosmopolitanism and those Germans who
    advocate individuality at the expense of society; Schenker praises the fascists as countering
    communism and social leveling, compares Mussolini's Italy favorably with present-day
    Germany. 
- 
OJ 14/45, [22] Handwritten lettercard from Moriz Violin to Heinrich Schenker, dated May 31, 1923 
 Apparently replying to a letter from Schenker (not recorded in his diary), Violin
    describes the widespread self-disparagement among Germans, and blames Jewish intellectuals for
    the defeatist atmosphere in Germany.  
- 
DLA 69.930/13 Handwritten letter from Schenker to Halm, dated October 6, 1924
 Asks Halm to send some of his chamber music to Rudolf Pollak, with prospect of
    performance of the A major string quartet. —Deplores current situation over Sofie Deutsch
    stipends. —Reports difficulties with UE and intention to change publisher. 
- 
OJ 10/1, [95] Handwritten letter from Dahms to Schenker, undated, presumably late June or early
        July, 1926
 Dahms's almanach plans have failed. — Germany has shown its gratitude for his
        work by denying him a divorce [from Agnes] for 15 years.  
- 
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 10/1, [101] Handwritten postcard from Dahms to Schenker, undated [c. November 14,
        1927]
 Meisterwerk 2 has still not arrived; Dahms gives an address in Nice.  
- 
OJ 11/54, [22] Handwritten letter from Hoboken to Schenker, dated March 11, 1928 
 Hoboken recounts the difficulties he is having in getting 2,500 photographs of
    autograph manuscripts made at the Paris Conservatory.  
- 
OJ 14/45, [78] Handwritten letter from Moriz Violin to Schenker, dated April 29, 1929
 Violin has finally paid off a large debt, and promises to save enough money so
        that he can spend a few days in Galtür with the Schenkers. He apologizes for any
        indiscretion on the part of his sister Fanny. 
- 
OC 54/243 Typewritten letter from Emil Tschirch to Schenker, dated October 20, 1930
 Emil Tschirch seeks Schenker’s consent for a flyer announcing and soliciting
        contributions to a planned Beethoven monument to be inserted into copies of the third
        Meisterwerk yearbook. 
- 
OJ 8/5, [21] Handwritten postcard from Schenker to Violin, dated October 8, 1933
 Schenker inquires after Violin, from whom he has not heard for some time. He
        reports that Hoboken is in France but will return at the end of the month to resume
        lessons.