
Carol June Bradley was an American music librarian.

Virginia Adelaide Meeks Cunningham was an American music librarian.

Otto Erich Deutsch was an Austrian musicologist. He is known for compiling the first comprehensive catalogue of Franz Schubert's compositions, first published in 1951 in English, with a revised edition published in 1978 in German. It is from this catalogue that the D numbers used to identify Schubert's works derive.

Dena Julia Polacheck Epstein was an American music librarian, author, and musicologist.

Dorothy Whitson Freed was a New Zealand author, composer, and music historian. She made significant contributions to the field of music librarians, and authored several books and articles regarding musical information and resources in New Zealand.

Anna Harriet Heyer was a distinguished American academic music librarian, musicologist, and bibliographer who for 26 years, from 1940 to 1966, headed the Music Library at University of North Texas.

Edvin Kallstenius was a Swedish composer and librarian. He arranged the traditional folk tune used as the de facto national anthem of Sweden, Du gamla, Du fria.

Michael Alan Keller is an American academician and librarian. He holds an appointment at Stanford University as the Ida M. Green University Librarian and, until August 31, 2020, Vice Provost for Teaching and Learning (2018-2020).

Otto Kinkeldey was an American music librarian and musicologist. He was the first president of the American Musicological Society and held the first chair in musicology at any American university.

Robert Lachmann was a German ethnomusicologist, polyglot, orientalist and librarian. He was an expert in the musical traditions of the Middle East, a member of the Berlin School of Comparative Musicology and one of its founding fathers. After having been forced to leave Germany under the Nazis in 1935 because of his Jewish background, he emigrated to Palestine and established a rich archive of ethnomusicological recordings for the Hebrew University of Jerusalem.

Vivian Perlis was an American musicologist and the founder and former director of Yale University's Oral History of American Music.

André Danican Philidor the elder [French: l'aîné], a member of the Philidorit family of French musicians and referred to as André Danican Philidor le père after 1709, was a music librarian, instrumentalist, and composer. He is chiefly known as the organizer and principal copyist of what is now known as the Philidor Collection of French Baroque manuscript scores.

Guy Reginald Pierre Picarda was a prominent scholar and promoter of Belarusian culture and music, a founder of the Anglo-Belarusian Society and the Journal of Belarusian Studies.

Wolfgang Schmieder was a German music librarian and musicologist.

Carleton Sprague Smith was an American music librarian and musicologist.

William Barclay Squire was a British musicologist, librarian and librettist.

Ruth Taiko Watanabe was a Japanese-American music librarian. For 38 years (1946-1984), she ran the Sibley Music Library at the Eastman School of Music at the University of Rochester.

Vern Yocum is best known as copyist and librarian for Frank Sinatra, Nat King Cole, and Nelson Riddle. Many of the top artists of the mid-20th century relied on Vern Yocum’s Music Service, which was walking distance from the Capitol Records Tower. His client list included: Frankie Laine, Billy Eckstine, Ella Fitzgerald, Rosemary Clooney, Mel Tormé, Peggy Lee, Steve Lawrence & Eydie Gorme, Keely Smith, Sammy Davis Jr., Trini Lopez, Nancy Wilson, Leslie Uggams, Roy Clark, and Julie Andrews.