• Alberto Caracciolo – history – 3500 volumes
• Claudio Casini – musicology – 300 volumes
• Mario Costanzo – Italian studies – 1200 volumes
• Enzo Degani – classic philology – 3500 volumes
• Dante Di Sarra – slavistics – 11000 volumes
• Carlo Gallavotti – classic philology – 7000 volumes
• Lucio Gambacorta – Polish language and literature – 1400 volumes
• Theodor Kraus – archaeology – 4000 volumes
• Corrado Maltese – art history and archaeology – 10000 volumes
• Giuseppina Monaco – library sciences – 1200 volumes
• Sabatino Moscati – arcaheology – 1700 volumes
• Michelangelo Notarianni – contemporary history – 7000 volumes
• Nino Pirrotta – musicology – 3000 volumes
• Ruggero Ruggieri – romance studies – 3200 volumes
• Aldo Sestini  – geography – 1000 volumes
• Vittorio Somenzi – philosophy of science – 9000 volumes
• Archivio dei Libri di Famiglia