Accounting	4
Agriculture	73
Antennas and waveguides	2
Astronomy	4
Automated equipment	9
Banking	3
Canada	2
Chemistry	9
Coal	1
Commerce	4
Communications	332
Computers	4
Construction	2
Corporate governance	2
Criminal law	13
Cultural studies	1
Data processing	39
Demography	3
Dyalysis	7
Earth sciences	32
Economics	57
Education	7
Electronics	84
Energy industry	1
Environment	83
European Union	3
Finances	87
Fish farming pisciculture	1
Fishery fishing industry	1
Food service and catering	1
General	167
Geography	2
Health care	39
Human rights activism	13
Immigration and citizenship	12
Industry	4
Information technology	1001
Insurance	29
International trade	2
Labor law	20
Law	371
Librarianship	6
Life sciences	57
Lighting other than cinema	1
Marketing	10
Materials science	6
Mathematics	29
Measuring instruments	2
Mechanic engineering	1
Medical	69
Metallurgy	10
Microsoft	294
Mineral products	1
Municipal planning	2
Name of organization	8
Natural sciences	14
Nuclear and fusion power	2
Nuclear physics	1
Obsolete / dated	3
Patents	149
Pharmacy and pharmacology	4
Politics	13
Procedural law	1
Radio	2
Rail transport	4
Religion	1
Research and development	1
Satellite communications	2
Scientific	5
Social science	6
Sound recording	4
Statistics	141
Taxes	1
Technology	7
Telecommunications	6
Telegraphy	21
Textile industry	2
Trade unions	3
Transport	62
United Nations	1
Wind Energy	2
Work flow	67