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Guidonian hand in London, British Library, MS Lansdowne 763, (English, ca. 1460) |
Guidonian hand in Univ. of Cal., Berkeley, Music Library, MS 1087 (Italian, 16th cent.) |
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Guidonian hand in London, British Library, MS Lansdowne 763, (English, ca. 1460) |
Guidonian hand in Univ. of Cal., Berkeley, Music Library, MS 1087 (Italian, 16th cent.) |