USEFUL ARTS 
630 Agriculture Agronomy 
531 Farmsted 
632 Hindrances Protection 
633 Field crops 
634 Fruits 
534.9 Forestry 
635 Garden crops 
635.9 Floriculture 
636 Domestic animals 
637 Dairy and dairy products 
638 Useful insects raised or exploited 
639 Hunting, trapping, fish culture 
es 
4+ 
an 
Rural life 
Rural exodus, Improvement of country life conditions 
Compends 
Agricultural physics 
“ chemistry 
botany 
zoology 
Only for general treatises. Those relating to a special subject ar clast with 
the subject: e. g. chemistry of milk 637.127 
Dictionaries, cyclopedias 
Essays 
Periodicals 
Yearbooks Directories 
Kalendars Almanacs 
Societies, clubs, conferences 
Farm bureaus 
Official institutions; government departments 
Voluntary associations 
Not under government control Cooperativ agriculture 
International (International institute of agriculture) 
Associations divided by country 
Subdivided like 940-900: e. 8. 630.6244 French agricultural societies; 
630.6273 Patrons of Husbandry, including state and local granges; 
Farmers alliance, etc. - 
Societies of limited scope ar clast with their subjects; e. g. horse breeders 
associations 636.106 
Congresses, conferences, temporary organizations 
Study and teaching 
For agriculture as a school subject see 375.63; for school gardens see 372.36 
Instruction, schools 
Colleges  Alfabetic; but may be subdivided like 040-000 if preferd 
Schools Arranged like .711 colleges 
Short courses 
Summer 
Winter 
Correspondence courses 
Institutes Farmers institutes 
Courses in nonagricultural institutions 
Extension work 
County agent, boys and girls clubs 
Other instruction 
Research work ~~ Experiment stations 
Museums, exhibits 
Special pedagogic methods 
Normal training classes 
Competitions, prizes, etc. 
History and general local treatment 
Divided like 930-000 
2 
23 
24 
28 
20 
3 
4 
5 
58 
59 
6 
61 
62 
621 
624-9 
£: 
7 
71 
711 
712 
Te 
714 
715 
716 
217 
719 
72 
74 
77 
775 
-79 
o