1. MS Mus. 1178-1183 Reference (shelfmark): MS Mus. 1178-1183 Title: John Gerrard Williams Collection: Stage Works Collection Area: Music Collections Languages: English Date Range: ca 1923-1928 Extent: 6 volumes
2. MS Mus. 1185-1191 Reference (shelfmark): MS Mus. 1185-1191 Title: John Gerrard Williams Collection: Instrumental Works Scope & Content: Autograph manuscripts. Collection Area: Music Collections Languages: English Date Range: 1912-1945 Extent: 7 volumes
3. MS Mus. 1192-1193 Reference (shelfmark): MS Mus. 1192-1193 Title: John Gerrard Williams Collection: Miscellaneous Papers Collection Area: Music Collections Languages: English Date Range: c 1915-1924 Extent: 2 volumes