• 23 Music Library (Mills)
• 2 Verona Shelving Facility

• 24 Sound Recordings
• 12 Journals, Magazines, Newspapers
• 5 Music Scores
• 3 Books
• 2 Videos, Slides, Films

• 14 Compact Discs
• 2 Vinyl Records
• 1 VHS Videocassettes

• 19 Tangos
• 8 Music
• 8 Popular music
• 6 Popular instrumental music
• 5 Anarchism
• 4 Bandoneon music
• 4 Piano music
• 3 Folk songs, Spanish
• 3 Labor unions
• 2 Bandoneon with instrumental ensemble
• 2 Communism
• 2 Folk dance music
• 2 Folk music
• 2 Guitar music
• 2 Jazz
• 2 Socialism
• 2 Working class
• 1 Agriculture
• 1 Almanacs, Argentine
• 1 Anarchisim
• 1 Antiquities
• 1 Architecture
• 1 Bandoneon with instrumental ensemble.
• 1 City planning
• 1 Criminals

• 15 Piazzolla, Astor
• 4 Console, Héctor
• 4 Malvicino, Horacio
• 4 Suárez Paz, Fernando
• 3 Aguirre, Julián, 1868-1924
• 3 Inzaurraga, Alberto
• 3 Ziegler, Pablo
• 2 Binelli, Daniel
• 2 Bragato, José
• 2 Gandini, Gerardo, 1936-2013
• 2 López Ruiz, Oscar, 1938-
• 2 Quinteto Tango Nuevo
• 2 Ridolfi, Angel
• 1 Abramovich, Manuel
• 1 Agri, Antonio
• 1 Alchourron, Rodolfo
• 1 Asociación de Trabajadores Sombrereros en General de la República Argentina
• 1 Asociación de Trabajadores Sombrereros en General de las Repúblicas Argentina y del Uruguay
• 1 Barbieri, Gato
• 1 Barletta, Alejandro
• 1 Barrios, Gustavo
• 1 Brédice, Leticia
• 1 Burton, Gary
• 1 Caamaño, Roberto, 1923-1993
• 1 Calderón, Pedro Ignacio, 1933-

• 14 Spanish
• 10 Italian
• 1 English
• 1 German

• 2 Buenos Aires
• 2 Italy
• 1 Altillo Site (Argentina)
• 1 Antiquities
• 1 Bahia Blanca
• 1 Bolivia
• 1 Brazil
• 1 Buenos Aires (Argentina)
• 1 Catamarca (Argentina : Province)
• 1 Catamarca (Province)
• 1 Peru
• 1 Piedras Blancas Site (Argentina)
• 1 Rio de Janeiro
• 1 Río Cuarto (Argentina)
• 1 Uruguay

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