It is unlikely that this work is public domain in the EU, or in any country where the copyright term is life-plus-70 years. However, it is in the public domain in Canada (where IMSLP is hosted) and other countries where the term is life-plus-50 years (like China, Japan, Korea and many others worldwide). As this work was first published before 1923 or failed to meet notice or renewal requirements to secure statutory copyright, it is very likely to be public domain in the USA as well.
Please obey the copyright laws of your country. IMSLP does not assume any sort of legal responsibility or liability for the consequences of downloading files that are not in the public domain in your country.
||Sonate für Violine und Klavier von Rudolf Karel. Op. 17.
|Year/Date of Composition
||Karlu Hoffmannovi a Romanu Veselému
||Early 20th century
||1 violin, 1 piano
There is a notation in German and Russian? on the title page with a specific date on it, besides the 1913 copyright. Someone knowledgeable in those languages might be able to translate.
The site earsense.org claims this was composed in 1912.