1060 DECIMAL CLASSIFICATION 
Offisers 
dep't organiza. economics 331.1242 
offis econ. 651.372 
duties of public ethics 172.2 
gov't, legis. power over 328.345 
of legislativ bodies 328.362 
presiding legis. bodies 328.3621 
Offises 
excise architecture 
plurality economics 
post architecture 
public “ 
record “ 
Offisholding 
legislativ restrictions 
Offsets plant culture 
Offspring hygiene 
Ofthalmia eye diseases 
Ofthalmic 
artery anatomy 
nerv of Willis  “ 
surgery 
vein, inferior anat. 
superior “© 
Ofthalmology 
anatomy 
diseases 
physiology 
Ofthalmometer 
Ofthalmoscope 
Oil 
baths prac. chem. 542.46 
burning locomotivs 621.1331 
coal economic geology 553.28 
cooking by dom. econ. 641.583 
cookstoves “ “ 643.333 
domestic fuel “ “ 644.23 
engins mech, engin’g 621.4342 
feeders lubrication 621.89 
heaters dom. econ. 644.23 
lamps “ % 644.32 
light “ 644.312 
lib. bildings 022.751 
painting art 
bilding 
plants agriculture 
refining, mineral air pol 
Rivers hist. 
strainers lubrication 
surface road engin'g 
switches elec. eng. 
tractors agriculture 
Oilcloth manufactures 
Oilers shipbilding 
Dils 
adulterations 614.313 
essential chem, tech. 668.5 
fixt materia medica 615.34 
food constituents 641.14 
manufacture 665 
protectiv external agente 615.776 
vegetable agriculture 633.85 
chem. anal. 543.8 
tech, 665.3 
Ointments therapeutics 615.776 
10ise, France history 944.35 
10kahandya “ 968.856 
I0kaloosa co. Fla.  “ 975.998 
Okavango “ 968.11 
Okeechobee co, Fla. “ 975.953 
Oklahoma, U. S. 
admission U. S. hist. 973.911 
history 976.6 
opening U.S. hist. 973.86 
travels 917.66 
Okra agric. 635.648 
botany 583.17 
Olacad botany 583.261 
Olacales 4 583.26 
Olacinez “ 583.261 
Olai, Ericus Swed. poetry 839.7113 
Topics in black face type are subdivided. Superior figures refer to the tables at the end of this indes 
611.84 
617.yv 
612.84 
physiol. 612.84267 
pathol. 617.7 
physiol. 612.84312 
!0gemaw co. Mich. history 977.475 
Ogier, G. Flemish drama 839.3223 
10gle co. Ill, history 977.332 
10goja history 966.94 
Ogres folklore 398.4 
Ohio 
! co. Ind. history 977.212 
W. Va. “ 975.414 
state : 
admission TU.S.hist. 973.46 
history 077.1 
For military history, see 
973.52471, 973.7471 and 
973.89471 
travel 917.71 
valley description 917.7 
: W. Va. history 975.41 
Ohmmeters elec. eng. 621.3742 
0il 
animal chem. analysis 543.9 
technol. 665.2