Matches in DBpedia 2016-04 for { ?s ?p <https://books.google.com/books?id=Qc81TuuKB54C&printsec=frontcover&dq=william+graham+sumner&hl=en&sa=X&ved=0CDEQuwUwA2oVChMIqpm-x7vryAIVSeFjCh23ZwsK#v=onepage&q=william%20graham%20sumner&f=false> }
Showing triples 1 to 2 of
2
with 100 triples per page.