History
- Canada – George Rugg
- East Asia – Hye-jin Juhn
- Eastern Europe – Natasha Lyandres
- Latin America – David Dressing
- Manuscripts (Europe, Pre-1500) – Dave Gura
- Manuscripts (Europe, Post-1500) – Julie Tanaka
- Manuscripts (North America) – George Rugg
- United States – George Rugg
- Science and Technology – Joe Ross
- Spain and Portugal – David Dressing
- Western Europe – Julie Tanaka
- World – Julie Tanaka
Interdisciplinary Area Studies
- Africana Studies – David Dressing
- American Studies – George Rugg
- Arabic Studies – David Sullivan
- Catholic Studies – Jean McManus
- Classics – David Sullivan
- East Asian Studies – Hye-jin Juhn
- Gender Studies – Lauren Ajamie
- Irish Studies – Aedin Clements
- Italian Studies – Tracy Bergstrom
- Latin American Studies – David Dressing
- Latino Studies – David Dressing
- Medieval Studies – Julia Schneider
- Peace Studies – Doug Archer
- Sports Studies – George Rugg
Allied Fileds
Literature and Languages
- English – Aedin Clements
- French – David Sullivan
- German – Rob Kusmer
- Irish – Aedin Clements
- Italian – Tracy Bergstrom
- Russian – Natasha Lyandres
- Spanish – David Dressing
Humanities and Arts
- Architecture – Jennifer Parker
- Art, Art History, and Design – Marsha Stevenson
- Film, Television, Performing Arts – Marsha Stevenson
- Music – Robert Simon
- Philosophy – Alan Krieger
- Theology and Religion – Alan Krieger
Social Sciences
- Anthropology – Jessica Kayongo
- Economics – James Ng
- Government Information – Doug Archer
- Political Science – Doug Archer
- Sociology – Jessica Kayongo
Hesburgh Library Subject Librarians Full List (pdf)