DECIMAL CLASSIFICATION 
331.8% 
88 
{0 . 
882 
883 
886 
3 
4 
888 
880g 
80 
2o1 
232 
01 
8 
82-89 
D 
303 
6 
7 
804 
805 
0 
91 
02 
97 
[010] 
Jy I 
Organization of labor 
Trade unions and other labor societies 
See also 338.6 Gilds , 
Special questions relating to trade unions 
Union labels 
By country Divided like 930-999 
By classes of workers 
Divided like 620-699 
For occupations not included in 620-690 uze 331.8811divided like 
main clasification 
Unions of managers 
Mixt unions of managers and workers 
Revolutionary unions 
Sindicalism 
Bolshevism 
IWW 
Unions of women workers 
Compulsory unions 
Open vs closed shop 
Disagreements between capital and labor Strikes 
Combinations of workmen. Retaliation by employers, For prevention of 
outbreaks see 331.15 
Attacks on freedom of work 
Picketing; methods of intimidation; scabs 
Strikes 
Causes 
Union strikes 
Simpathetic strikes 
Unorganized stiikes 
By industry 
Divided like 620-699 
By country Divided like 940-900 
Other methods of workmen 
Violent 
Sabotage 
Mild 
Boycotting 
Unfair list 
Fair list 
Methods of employers 
Blacklisting Laying under interdict 
Whitelisting 
Lockouts 
Other questions 
International regulation of labor 
The right to work 
Encuragements to work 
Offerd by general government or general societies, Medals, decorations, rewards 
Intervention of public powers in general 
Freedom and regulation of work; protection of workers; credit and con- 
tributions to workers and workers associations 
Transport of workers =~ Workmen's trains