Books about Social ethics

Ariel (Spanish)

Democracy and Social Ethics

What Social Classes Owe to Each Other

Social Environment and Moral Progress

Of Vulgarity

Social Rights And Duties: Addresses to Ethical Societies. Vol 1 [of 2]

Social Rights And Duties: Addresses to Ethical Societies. Vol 2 [of 2]

Ueber den Umgang mit Menschen (German)

The Ethics of Coöperation

Ploughshare and Pruning-Hook: Ten Lectures on Social Subjects

Moral social : apreciación de Hostos (Spanish)