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Email:     ref@udayton.edu
Text:       937-369-OLIB (369-0542)
Phone:    937-229-4270
Twitter:   @roeschlibrary

Sunday 1 p.m. - 5 p.m., 6 p.m. - 10 p.m.
Mon. - Thurs.   8 a.m. - 10 p.m.
Fri. 9 a.m. - 5 p.m.
Sat. 11 a.m. - 6 p.m.

Research assistance is available at our Research Help Desk.


Library users may borrow books and media materials with a current University-issued ID or a special library card. If the material is not available at Roesch Library, you can use the OhioLINK catalog to request books from another OhioLINK member institution. Books not found through OhioLINK can be requested through Interlibrary Library Loan. ILL use is restricted to current UD students, faculty and staff.

  • Review materials checked out and status of OhioLINK materials requested by logging into Your Library Info in the UD online catalog.
  • For assistance or more information call the reference desk at 937-229-4270 or the circulation/reserve desk at 937-229-4234.
  • Roesch library and OhioLINK items that have been requested are held for ten days. If the patron who has requested the item does not pick it up within that time period, the item will be returned to its home institution.

Eligible Library Users >>


Roesch Library is the place to go when you need to study…day or night! Access to the library is restricted to students, staff and faculty after 10 p.m. with current UD ID.

Check hours >>

Services for Faculty

We support faculty teaching and research through instruction, reserves, Roesch 2U and faculty carrels. Contact us to find out more.

Services for Faculty >>

Computer Access and Printing

Computers for patron use throughout the library provide access to email, Microsoft Office applications, and library databases. All computers require a University of Dayton username and password.

Printing is available through the use of Flyer Express accounts at 4 cents per print.

Four visitor computers are available until 10 p.m. in the first floor reference room that do not require a UD username and password. Visitors can print for 10 cents per print, but must pay cash when prints are picked up at the 1st floor Circulation desk. 

Computers >> 

What's happening in the Libraries


Art for Citizens and Celebrants: The Sculpture of Robert C. Koepnick

Last SupperRobert "Bob" C. Koepnick, 1995 Honorary Degree recipient, and teacher of many UD visual arts students, is honored in this exhibit of his sculpture and archives. Explore the work and life of a local sculptor as artist and teacher.

Learn more >>




Marian Library Gallery Current Exhibit

marian_exhibitCheck out Psalms in Abstract in the Marian Library Gallery going on now.

Learn more >>





There is only one word to describe our fall 2014 exhibit: EPIC


Imprints and Impressions:Milestones in Human Progress, Highlights from the Rose Rare Book Collection coming Sept. 30 through Nov. 9, 2014 in the Roesch Library first floor gallery will feature rare and near-priceless first editions, manuscripts, galley proofs, papyri and illustrations spanning the scholarly spectrum from philosophy to physics.

Learn more >>




Check out eCommons

central mallUniversity Libraries are pleased to announce a new service called eCommons — an electronic publishing and repository platform which showcases the scholarly and creative output of the University of Dayton community.

Learn more >>



University Archives and Special Collections


The University's archives chronicle its development into a top Catholic and Marianist institution of higher learning. Materials date from 1850, when St. Mary’s Institute was founded as a grammar school for boys, to the present. The archives include records created by University department, records of student organizations, faculty and alumni papers, student theses and dissertations, photographs and audiovisual recordings, and University publications. 

The eclectic rare books collection includes manuscripts as well as early and limited edition books. Additional special collections highlight sports, the arts, politics and the pursuits of UD alumni. These collections contain rare prints, drawings, photographs, maps, art objects and audiovisual recordings.
Located on the second floor of Albert Emanuel Hall, University archives and special collections is open to Monday-Friday from 8:30 a.m. - 4:00 p.m. Researchers may use materials in the reading room.

For research inquiries and to schedule a visit, as well as inquiring about donations or transfering of University records, contact Jennifer Brancato, University archivist and coordinator of special collections, at 937-229-4267.


U.S. Catholic Special Collection

US Catholic

The U.S. Catholic special collection preserves records of the Catholic Church and Catholic life in the United States. It also supports the University’s new doctoral program in religious studies focusing on the U.S. Catholic experience. This newly established collection shows the commitment of the University of Dayton to the history and heritage of the Catholic Church in the United States and its intellectual and popular traditions. The collection is located on the 3rd floor of Roesch Library.

The collection is comprehensive and includes retrospective and contemporary works in different languages, formats and media, as well as objects used by American Catholics in their religious practice. The collection is strong on official church documents, theology, religious orders active in the United States, school textbooks, biographies, and books and serials used or published by various Catholic immigrant groups.

The U.S. Catholic Collection is open Monday-Thurday from 2 - 4 p.m. during the sumer and by appointment. To schedule an appointment, ask at the Circulation Desk in Roesch Library.

For information about archival materials in the collection, contact Jillian Slater at 937-229-4275 or email.

For information about the Ph.D. in theology program, contact the Department of Religious Studies or call 937-229-4321.


Institutional Repository and Digital Collections

Digital Collections

Whether you’re seeking to relive a campus memory or acquire a unique gem to enrich your research, start your path to discovery at eCommons. Search through our steadily growing collection of photographs, yearbooks, Marian and Catholic art, campus history and special research collections. You can even view many of our multi-dimensional objects from all angles using the View360 feature.

Our digital collections will give you a glimpse of what makes the University of Dayton truly unique. For questions regarding our eCommons or our digital collections, please email ecommons@udayton.edu.



Blessed Virgin Mary

Marian Library/International Marian Research Institute

The Marian Library/International Marian Research Institute houses the world's largest and most comprehensive collection of printed materials on Mary. In addition to the collection, it is known for its information, research, devotions and artwork about the Blessed Virgin Mother.

Roesch Library

See our hours

300 College Park Avenue
Dayton, Ohio 45469-1360



Accessing databases and electronic journals
Reference questions or starting research
Research consultations 



Book fines, overdues or renewals      
Copy cards and photocopies    
Course reserves or E-reserves  
Group study rooms
InterLibrary loan
Library cards
Lost and found
OhioLINK books
Study rooms        


Classes and instruction       


Donating books     


Donating monetary gifts    


Leased research and writing rooms     


Student employment  

Marian Library/IMRI

7th Floor Roesch 
See our hours