Accounting	2
Acoustics	1
Agriculture	54
Animal husbandry	8
Antennas and waveguides	1
Art	10
Astronautics	1
Automated equipment	34
Automatic control	1
Automobiles	1
Business	2
Chemistry	1
Commerce	7
Communications	97
Computer numerical control	2
Computers	13
Construction	2
Corporate governance	32
Criminal law	4
Cultural studies	14
Data processing	12
Demography	1
Drilling	1
Dyalysis	3
Economics	174
Education	174
Electronics	34
Energy industry	50
Environment	83
Finances	112
Fish farming pisciculture	7
Fishery fishing industry	9
Food industry	3
Food service and catering	10
Forestry	1
General	239
Health care	69
Hobbies and pastimes	2
Horticulture	2
Human rights activism	23
Hygiene	1
Immigration and citizenship	26
Industry	8
Information technology	482
International Monetary Fund	85
Internet	2
Labor law	14
Latin American	1
Law	68
Life sciences	12
Marketing	6
Materials science	16
Mathematics	2
Measuring instruments	3
Mechanic engineering	3
Medical	28
Metallurgy	1
Meteorology	32
Microsoft	63
Military	2
Mineral products	1
Municipal planning	3
Name of organization	507
Natural sciences	45
Nuclear physics	7
Obsolete / dated	14
Packaging	2
Patents	78
Pest control	1
Pharmacy and pharmacology	6
Politics	53
Power lines	1
Power system protection	1
Procedural law	1
Psychology	2
Radio	9
Reliability	2
Religion	14
Remote sensing	2
Research and development	28
Scientific	2
Security systems	2
Social science	71
Sociology	2
Statistics	29
Taxes	12
Technology	36
Telecommunications	4
Textile industry	2
Trade unions	1
Transport	42
United Nations	351
Video recording	5
Water resources	2
Work flow	3