Analysis of information sources in references of the Wikipedia article "List of compositions by Ludwig van Beethoven" in English language version.
This work originally had the opus number 29; Cover of Beethoven "Op. 55" string trio; Buck, Percy Carter; Mee, John Henry; Woods, F. Cunningham (Francis Cunningham) (1894). "Ten years of university music in Oxford, being a brief record of the proceedings of the Oxford university musical union during the year 1884–1894". Archive.org. Oxford : W.R. Bowden. pp. 49, 109, 180, 198. Retrieved 1 October 2019.
Trio for two Violins and Viola in C major, Op. 55 (bis) Beethoven; and "Trio in C major, Op.87 (Beethoven, Ludwig van)". imslp.org. Retrieved 1 October 2019.
Grand Trio (d'après Op. 87) pour deux Violons et Viola par L. van Beethoven. Op. 55 bis
This work originally had the opus number 29; Cover of Beethoven "Op. 55" string trio; Buck, Percy Carter; Mee, John Henry; Woods, F. Cunningham (Francis Cunningham) (1894). "Ten years of university music in Oxford, being a brief record of the proceedings of the Oxford university musical union during the year 1884–1894". Archive.org. Oxford : W.R. Bowden. pp. 49, 109, 180, 198. Retrieved 1 October 2019.
Trio for two Violins and Viola in C major, Op. 55 (bis) Beethoven; and "Trio in C major, Op.87 (Beethoven, Ludwig van)". imslp.org. Retrieved 1 October 2019.
Grand Trio (d'après Op. 87) pour deux Violons et Viola par L. van Beethoven. Op. 55 bis
This work originally had the opus number 29; Cover of Beethoven "Op. 55" string trio; Buck, Percy Carter; Mee, John Henry; Woods, F. Cunningham (Francis Cunningham) (1894). "Ten years of university music in Oxford, being a brief record of the proceedings of the Oxford university musical union during the year 1884–1894". Archive.org. Oxford : W.R. Bowden. pp. 49, 109, 180, 198. Retrieved 1 October 2019.
Trio for two Violins and Viola in C major, Op. 55 (bis) Beethoven; and "Trio in C major, Op.87 (Beethoven, Ludwig van)". imslp.org. Retrieved 1 October 2019.
Grand Trio (d'après Op. 87) pour deux Violons et Viola par L. van Beethoven. Op. 55 bis
This work originally had the opus number 29; Cover of Beethoven "Op. 55" string trio; Buck, Percy Carter; Mee, John Henry; Woods, F. Cunningham (Francis Cunningham) (1894). "Ten years of university music in Oxford, being a brief record of the proceedings of the Oxford university musical union during the year 1884–1894". Archive.org. Oxford : W.R. Bowden. pp. 49, 109, 180, 198. Retrieved 1 October 2019.
Trio for two Violins and Viola in C major, Op. 55 (bis) Beethoven; and "Trio in C major, Op.87 (Beethoven, Ludwig van)". imslp.org. Retrieved 1 October 2019.
Grand Trio (d'après Op. 87) pour deux Violons et Viola par L. van Beethoven. Op. 55 bis
This work originally had the opus number 29; Cover of Beethoven "Op. 55" string trio; Buck, Percy Carter; Mee, John Henry; Woods, F. Cunningham (Francis Cunningham) (1894). "Ten years of university music in Oxford, being a brief record of the proceedings of the Oxford university musical union during the year 1884–1894". Archive.org. Oxford : W.R. Bowden. pp. 49, 109, 180, 198. Retrieved 1 October 2019.
Trio for two Violins and Viola in C major, Op. 55 (bis) Beethoven; and "Trio in C major, Op.87 (Beethoven, Ludwig van)". imslp.org. Retrieved 1 October 2019.
Grand Trio (d'après Op. 87) pour deux Violons et Viola par L. van Beethoven. Op. 55 bis