"Writers' Program (U.S.). Puerto Rico." . . "Federal Writers' Project." . . "Writers' Program. Puerto Rico." . . "United States. Puerto Rico Reconstruction Administration." . . . . "Puerto Rico." . . . . . . . "Puerto Rico. A guide to the island of Boriquén. Compiled and written by the Puerto Rico Reconstruction Administration in co-operation with the Writers' Program of the Work Projects Administration ... Illustrated. [With a map.]" . "Puerto Rico. A guide to the island of Boriquén. Compiled and written by the Puerto Rico Reconstruction Administration in co-operation with the Writers' Program of the Work Projects Administration ... Illustrated. [With a map.]"@en . . . . . . . "Puerto Rico a guide to the island of Boriquén"@en . . . "Puerto Rico : a guide to the island of Boriquén" . "Puerto Rico : a guide to the island of Boriquén"@en . . . "Puerto Rico; a guide to the island of Boriquén" . . . . . .