Correspondence "A"
Correspondence with the Accounting Department [1947-1953]
Accounting Department: Budget Statements for the Department of Bibliography and the Memorial Library of Music [1951]
Accounting Department: Budget Statements for the Department of Bibliography and the Memorial Library of Music [1952]
Accounting Department: Budget Statements for the Department of Bibliography and the Memorial Library of Music [1953]
Correspondence with Anderson and Ritchie (The Ward Ritchie Press) [1950]
Correspondence with Anderson and Ritchie (The Ward Ritchie Press) [1951]
Correspondence with Anderson and Ritchie (The Ward Ritchie Press) [1951]
Correspondence with Anderson and Ritchie (The Ward Ritchie Press) [1952]
Correspondence "B"
Correspondence with Jacques Barzun (Columbia University) [1951-1952]
Correspondence "C"
Catalogue Proofs; Drafts for the "Acknowledgments" by van Patten
Correspondence concerning the Sale of the Catalogue of the Memorial Library of Music [1951-1952]
Correspondence "D"
Correspondence "E"
Correspondence "F" [among others, a letter by Goetz Friedrich]
Correspondence "G"
Correspondence "H"
Correspondence with Otto Haas (Antiquarian Bookseller) [1945-1949]
Correspondence "I"
Correspondence "J"
Correspondence "K"
Correspondence with R. F. Kallir (International Autographs) [1948-1949]
Correspondence with George T. Keating [1944]
Correspondence with George T. Keating [1945]
Correspondence with George T. Keating [1946]
Correspondence with George T. Keating [1947/I]
Correspondence with George T. Keating [1947/II]
Correspondence with George T. Keating [1948/I]
Correspondence with George T. Keating [1948/II]
Correspondence with George T. Keating [1949/I]
Correspondence with George T. Keating [1949/II]
Correspondence with George T. Keating [1950/I]
Correspondence with George T. Keating [1950/II]
Correspondence with George T. Keating [1951-1953]
George T. Keating: Check Lists for the Catalogue of the Memorial Library of Music [1948]
List of Kin of those to whom the Catalogue of the Memorial Library of Music is dedicated.
Correspondence with the Kin of those to whom the Catalogue of the Memorial Library of Music is dedicated [1951/I]
Correspondence with the Kin of those to whom the Catalogue of the Memorial Library of Music is dedicated [1951/II]
Correspondence with the Kin of those to whom the Catalogue of the Memorial Library of Music is dedicated [1951/III]
Correspondence with the Kin of those to whom the Catalogue of the Memorial Library of Music is dedicated [1951/IV]
Correspondence with the Kin of those to whom the Catalogue of the Memorial Library of Music is dedicated [1951/V
Correspondence with the Kin of those to whom the Catalogue of the Memorial Library of Music is dedicated [1951/VI]
Correspondence "L" [among others, letters to Mrs. Maxim Litvinov concerning Dmitri Shostakovich]
Correspondence with the Library of Congress
Correspondence "M"
Correspondence with Gian-Carlo Menotti, Darius Milhaud and Italo Montenezzi [1947-1948]
Correspondence with the Museum of Modern Art (Emanuel Winternitz) [1947-1949]
Correspondence "N"
Correspondence "O"
Correspondence "P"
Correspondence with Parke-Bernet [1947-1949]
Publicity / News clippings
Correspondence "Q"
Correspondence "R" [among others, letters to Mrs. Sergei Rachmaninoff and Richard Rodgers]
Correspondence "S" [among others, letters to Jean Sibelius, Richard Strauss and Mordecai Sandberg]
Correspondence with Walter Schatzki
Correspondence with Andrew Schulhof [1949]
Correspondence with Kurt Schwarz (Antiquarian Bookseller) [1947-1948]
Correspondence with Kurt Schwarz (Antiquarian Bookseller) [1949]
Correspondence with Dr. Albert Schweitzer [1947/1952]
Correspondence with the Scribner Book Store [1939-1953]
Correspondence with Stechert-Hafner Inc. [1951-1952]
Correspondence with Wallace Sterling [1950-1953]
Correspondence with Stevens and Brown Ltd. [1947-1949]
Correspondence with Igor Stravinski and related matters [1947-1948]
Requisitions: Memorial Library of Music [1950]
Requisitions: Memorial Library of Music [1951]
Requisitions: Memorial Library of Music [1952]
Correspondence "T"
Correspondence with Virgil Thompson
Correspondence with Donald B. Tresidder [1945-1947]
Correspondence "U"
Correspondence with the U.S. Government
Correspondence "V" [Rafael Heliodoro Valle]
Correspondence "W" - "X"
Correspondence with William P. Wreden
Correspondence "Y" - "Z"