Miscellaneous papers written and printed, including 'Additional verses for the "Charming Woman" written by J. Parry, junior, Caermarthen, 23 August 1838'; an English operatic scene by John Parry, junior, 16 March 1844; 'memoranda for an unconventional Pantomime' by John Parry, 1859; 'sketches of 'The Wedding Breakfast', 1865-1866; a sketch for 'A Public Dinner' written by R. Reece and John Parry, 1868; 'The jovial Miller's Invitation' -words by John Parry, 17 April 1876; a sketch title page for 'John Parry's Musical Manual'; miscellaneous notes, programmes, and prospectuses.

The original manuscript of the vocal score of 'Sylvia', an operetta in two acts by W. Rhys-Herbert, words by Maude Elizabeth Inch, 1906.

The original manuscript of an operetta for ladies' voices entitled 'The Wild Rose', composed by W. Rhys-Herbert, 1915, with words by Edith M. Burrows.