Inter-allied[24], Socialist and Labor Conference, [21]-[2].
Intercollegiate Socialist Society, [355]-[6], [380].
International, First, [16];
Second, [7], [16], [17]-[19], [32], [68];
Third, [6]-[7], [9], [11]-[12], [18], [20]-[1], [33], [45]-[50], [61], [67]-[9], [74]-[5], [216], [218], [228], [233]-[6], [239], [252]-[6].
International character of Socialism, [17].
International Congresses, [17].
International Socialist Bureau, [17].
International Workingmen's Association, [1], [2].
"Internationale Communist," organ of Moscow International, [255]-[6].
Irreligious poems of Socialists, [302]-[4].
Italian labor unions, [9].