The author of this work is anonymous and this work was made available to the public more than 50 years ago. According to the Berne convention Art. 7, and the laws of many countries, this work is in the public domain. Note: This template does not apply to works from countries that extended the Berne Convention or that did not sign it. In particular, this includes the European Union, the United States, India, and Russia. Please use {{PD-anon-70-EU}}, {{PD-US}}, {{PD-India}}, {{PD-Russia-1996}}, etc. in such cases and check Commons:Anonymous worksevery time, carefully!