"Social sciences." . . . . . "Hints toward reforms, in lectures, addresses, and other writings With The Crystal palace and its lessons"@en . "Crystal palace and its lessons"@en . . . . "Hints towards reforms, lectures addresses, etc"@en . . "Hints toward reforms"@en . . . . . . . . . . . "Hints Toward Reforms, in Lectures, Addresses, and other Writings : With the Crystal Palace and its Lessons" . . . . . . . . . . . . . . . "Hints toward reforms in lectures, addresses, and other writings"@en . "Hints toward reforms, in lectures, addresses, and other writings. By Horace Greeley"@en . . . . . . "Hints toward reforms, in lectures, addresses, and other writings"@en . "Hints toward reforms, in lectures, addresses, and other writings" . . . . . "Hints toward reforms : in lectures, addresses, and other writings"@en . "Hints toward reforms : in lectures, addresses, and other writings" . "Hints towards reforms in lectures, addresses, and other writings"@en . "Hints towards reforms in lectures, addresses, and other writings" . . . . . "Social problems." . .