- Leather-bound book of German flute music, possibly belonging to Richard Cart (D'Oyly Carte's grandfather), ca.1740.
- Cabinet photograph of Richard, Henry (D'Oyly Carte's brother) and Geoffrey Carte, ca.1880s.
- Book of German flute music, possibly belonging to Richard Carte (D'Oyly Carte's father), ca.1850s-1870s.
- Manuscript notes written by D'Oyly Carte on his father's character, ca.1870s-1930s.
- Brief typed biographies of Richard Carte and George Rudall, ca.1890s-1900s.
- Article from the Musical Opinion and Music Trade Review on D'Oyly Carte's career as a flautist and flute-maker, ca.1901-1940s.
- Copy of the Musical Directory, 1915.
- Images of a Richard Carte bust, with related correspondence and biographical notes, 1950s.