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Reichardt, J. Fr., Musical Almanac for the year 1796 original: "Musikal. Almanach aufs Jahr 1796". Berlin, 12.
Same. Trusted letters from Paris, 1st, 2nd, and 3rd part original: "Vertraute Briefe aus Paris". Hamburg.
Reinholdt, Th. Chr., Poetic thoughts on the Dresden organ original: "Poetische Gedanken auf die Dresdner Orgel". Dresden, 1736. 4.
Rellstab. On the remarks of a traveler original: "Ueber die Bemerkungen eines Reisenden". Berlin, 1789. 8. V.
Remigii Altisiodorens. Music original: "Musica". See Gerbert, Scriptores, Vol. I.
Riedel. On Gluck’s music original: "Ueber Glucks Musik". Vienna, 1775. 8. II.
Rieggers. Statistics of Bohemia, Issue 12 original: "Statistik von Böhmen". Leipzig, 1794. 8. Contains Mr. Dlabacz’s catalog of excellent Bohemian tone artists.
Rößig, C. G., Attempts in musical drama original: "Versuche in musikal. Drama". Bayreuth, 1779. 8.
Rolle, Chr. C., Observations on the dissemination of music original: "Wahrnehmungen zur Ausbreit. der Musik". Berlin, 1784. 8.
Roth, G. M., On the impossibility of a philosophy of music original: "Ueber die Unmöglichkeit einer Philosophie der Musik". Göttingen, 1796. 8. XVII.
Rousseau, J. J., Letter on French music original: "Lettre sur la Musique franc.". 1753. 8. XII.
Same. Dictionary of Music, Vol. I and II original: "Dictionaire de Musique". Amsterdam, 1768. 12.
Ruetz. On the origin of church music original: "Vom Ursprunge der Kirchenmusik". Lübeck, 1750. 8.
Same. On the condition of contemporary church music original: "Von der Beschaffenheit der heutigen Kirchenmusik". Ibid., 1752. 8.
— — On the effect of church music original: "Von der Wirkung der Kirchenmusik". Rostock, 1753. 8.
Salomonis, Eliae, Science of the musical art original: "Scientia artis musicae". From the year 1274. See Gerbert, Scriptores, Vol. III.