wikipedia.org/wiki/Rudolf_Tobias 2. http://www.emic.kul.ee/tobias/elulugu1.htm 3. http://www.koolielu.edu.ee/eesti_muusika/composers/tobias/elu.htm 4. https://docs.google.com/viewer? a=v&q=cache:SR2xcwB_yc4J:www.palade.edu.ee/PPK/muusika/Tobias.pps+rudolf+tobias &hl=et&gl=ee&pid=bl&srcid=ADGEEShqbfeClHL7bwjMBByHXPSqCjctQV64- 4I8mpkLsZSVqSxf9c8IV3zbk41c8f7FdhlwRdQQnkmpb7D9of- 3sXLSBu3qcL_jtoioDmnPT5mrHSUZLCV1hO7tmG_wigxKkBv2Dfr9&sig=AHIEtbQK7 F7dkI-KVrAt9QMNGwLR7Sirig 5. http://webcache.googleusercontent.com/search? q=cache:OT4d9jEwn9cJ:www.slideshare.net/kljuska/rudolf- tobias+rudolf+tobias&cd=6&hl=et&ct=clnk&gl=ee&client=firefox-a
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