OECD Main Economic Indicators 1969-76 + Industrial Production Quarterly Supplements(1969-76)

Oecologia Vol.1-31(1968-78),Vol.32-55(1978-82)

Of Consuming Interest Vol.3-8(1969-75)incomplete

The Office Vol.63-82(1966-75)[Vol.70(July-Dec.'69)incomplete &
Vol.72(July-Dec.'70)incomplete]

Oikos Vol.20-26(1969-75)

Oil And Gas Journal Vol.74-79(March'76-1981)[Vol.76(Nov.-
Dec.'78)incomplete]

One Big Union Monthly Series 1 Vol.1-3(1919-21),Series 2 Vol.1-
2(1937-38)

Opera News Vol.29-31(1964-67),Vol.33-40(1968-Jan.'76)+ 1976,1978-Nov.'79

Operational Research Quarterly Vol.1-28(1950-77)

Operations Research Vol.14-20(1966-72),Vol.1-13(1952-65)[Vol.1-
3 titled Journal Of The Operations Research Society Of America
but shelved under Operations Research]

Optical Spectra Vol.1-2(1967-68),Vol.3(1969/incomplete),Vol.4(1970/incomplete),Vol.6(1972/
incomplete),Vol.7(1973),Vol.8(1974/incomplete),Vol.9-11(1975-
77),Vol.12(1978/incomplete),Vol.13-15(1-5)(1979-May'81)

The Orange Disc Vol.22-24('76-'80)incomplete,Spring-
Winter'82,Spring-Winter'83,Vol.25(Spring & Summer '84)

Orbis Vol.1-20(1957-77)[subtitled A Quarterly Journal Of World
Affairs/Vol.20('76-'77)incomplete]

Organic Gardening And Farming Vol.21-25('74-'78)
[Vol.21('74)incomplete]
Organic Gardening Vol.30-34(7-10)(1983-Oct.'87),Vol.26-29('79-
'82)[Vols.32(8-12)-34(7-10)(Aug.-Oct.'87)titled Rodale's Organic Gardening but shelved under Organic Gardening]

Origins Of Life (formerly Space Life Sciences) Vol.5-12(1974-
82),Vol.13-15(1-3)('83-'85)

Osterreichische Botanische Zeitschrift Vol.120-124(1972-76)
[Vol.123-124('74-'76)titled Plant Systematics And Evolution but shelved under Osterreichische Botanische Zeitschrift]

Outdoor America Vol.33-42(1968-77),42(#4-44)('77-'79),45-46('80-'81),Jan.-Oct.'82,Winter'83,Spring'83,Summer'83

The Outlook Vol.146-159(May1927-1931)

Overseas Vol.1-3(1961-64)