Book digitized by Google from the library of the New York Public Library and uploaded to the Internet Archive by user tpb.
At head of title: Bureau for social research of the Seybert institution
"A considerable share of what is here presented was published in pamphlet form as Bulletin no. 20 of the Department of social and public service of the American Unitarian association."--Pref
Bibliography: p. 217-252
Notes
At head of title: Bureau for Social Research of the Seybert Institution.