Occasional Bulletin of Missionary Research online only EBSCO 1977- ATLAS 1977 (See Missionary Research Library)
Occasional Essays (C E L E P) v. 12 (1985)-13:1/2 (1986). (Title changed to Latin American Pastoral Issues)
Occasional Papers on Religion in Eastern Europe v. 7 (1987)-12 (1992). (Title changed to Religion in Eastern Durope)
Oceania online only EBSCO 1993-
OCLC Micro v. 1-2 (1985), 3, 4:1-3,5. 5-8 (1992). (Title changed to O C L C Systems & Services)
* OCLC Newsletter No. 216 (Aug 1995) - (See Reference Librarian)
* OCLC Systems and Services v. 9:3,4 (1993)- Online Select Articles EJS 1989- (Formerly O C L C Micro. See Reference Librarian for issue and/or passwords) -
* Off the Front Page v. 1 (2000)- Online 2000-
Ogbomoso Journal of Theology # 1 (1986)-#7 (1992).
Old and New Testament Student (See Biblical World).
* Old Testament Abstracts v. 1 (1978) (Reference Area)- Old Testament Abstracts Online
Old Testament Student v. 3 (1883)-4, 5:1-6, 8-10, 6-15 (1892). (Name changed to Old and New Testament Student)
Older Americans Report v. 16:12 (1992). (Formerly Aging Research & Training News)
* Olive Press (See Vertical file cabinet in Reference area)-
Omega v. 1 (1970)-8 (1977).
One Body: The Journal of Korean Immigrant Theology v. 5 (1995)-8:3 (1998).
One Family (See Reference vertical File. ). Ecumenical Resources/ Atlanta Interfaith A I D S Networker
* One in Christ (Mar. 1997)- v.21-32 microfilm rolls 2792-2803
One World #1 (1974)-211 (1995). Assorted Issues
* Online v. 20 (1996)- (See Reference Librarian)
* Open Door (Bangor Theological Seminary) (See Vertical file cabinet in reference area)-
* Open Hands v. 13:3 (1998)-
Open Letter to the Presbyterian Church in the United States v. 1 (1970)-14 (1983). (Title changed to The Open Letter: A Renewal and Issues Resource for Presbyterians. Shelved and Bound as The Open Letter)
Open Letter: A Renewal and Issues. Resource for Presbyterians v. 15 (1984)-20 (1989). ceased
Openings No. 1 (Oct 1993)- March 1997. (Merged in Chronicle of Higher Education 1998)
Orbis Litterarum online only EBSCO 1998-
Organic Gardening v. 39:5 (1992)-v. 44:2 (1997). (See Reference Librarian)
* Orientalia v. 51 (1982).resumes with v. 72 (2003)-
* Original Blessing. v. 1:2 (1998)- 3:3 (2001). Online Info
* Origins v. 13 (1983)- Online Info
* Orita (Univ of Ibadan) v. 15 (1983)-
* Orthodox Life v. 52 (2002)-
Orthodox Presbyterian v. 1 (1829)-8 (1836), ns 1 (1838)-2 (1839).
Other Side #108 (1980)-(2004). ceased
* Oxford American No.16 (July,1997)- Online Info
* Oxford Studies in Ancient Philosophy (See Accession Assistant)-