Encyclopaedia of the Social Sciences 

 - New York :   The Macmillan Company,   1942. 
 - 8 v. ;   18 cm. 
<br/><br/> Vol. 1/2- Aaronson - Allegiance    Vol. 3/4- Bright - Commentators    Vol. 5/6- Danton Exile    Vol. 7/8- Gossen - Industrial relations. Concils    Vol. 9/10- Laboulaye, machine, political    Vol. 11/12- Morbidity, parties, political    Vol. 13/14- Puritarism, service    Vol. 15- Trade union - Zwingli