Eduard Reeser, who was an authority on Dutch music in the nineteenth century, mentions in his book 'Een eeuw Nederlandse muziek, 1815-1915' (A Century of Dutch Music, 1815-1915) (1950) a Symphony in F Major by Frans Coenen, ,,which remains in manuscript''. To add to the confusion: the foto used in the YouTube-video of the symphony of Frans Coenen is attributed in the book of Reeser to Johannes Meinardus Coenen...