This work is in the public domain because it was published in Uruguay as anonymous or pseudonymous more than 50 years ago. Under uruguayan laws 9.739, 17.616 and its amendments: "In the anonymous and pseudonymous works, the term shall be fifty years after the work has been lawfully made available to the public, unless before the said period the author reveals his identity [...]" (details).
Mae'r ffeil hon yn cynnwys gwybodaeth ychwanegol, sydd mwy na thebyg wedi dod o'r camera digidol neu'r sganiwr a ddefnyddiwyd i greu'r ffeil neu ei digido. Os yw'r ffeil wedi ei cael ei newid ers ei chreu efallai nad yw'r manylion hyn yn dal i fod yn gywir.