"National Education Association of the United States. Division of Travel Service." . . . . "Since 1945" . . . . . . "A firsthand report on Soviet schools : based on a trip through the Union of Soviet Socialist Republics by a group of sixty-four American educators"@en . . . "A firsthand report on Soviet schools based on a trip through the Union of Soviet Socialist Republics by a group of sixty-four American educators"@en . . . "A firsthand report on Soviet schools; based on a trip through the Union of Soviet Socialist Republics by a group of sixty-four American educators" . . . . .