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- Pensieri notturni, PWM score, excerpt 1
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- Pensieri notturni, PWM score, excerpt 2
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- Pensieri notturni, manuscript, (Music Department, Warsaw University Library), title page
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- Pensieri notturni, manuscript (Music Department, Warsaw University Library), p. 1
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- Pensieri notturni, manuscript (Music Department, Warsaw University Library), p. 2