Kenneth MacMillan created the one-act ballet Triad for The Royal Ballet which received its premiere on 19.1.1972 at the Royal Opera House, London. The material comprises

1. One handwritten letter from HRH the Princess Margaret to Kenneth MacMillan explaining that she is unable to attend the first night as they are observing mourning for the death of the King of Denmark. On Kensington Palace headed notepaper, with accompanying envelope, both with black borders. In black ink, also signed by Tony (Armstrong Jones), 17.1.1972
2. Two first night telegrams, one from 'Madam' (Ninette de Valois), one from John and Patsy (Tooley), 19.1.1972. The one from Madam has a sticker with 're Triad ABT' on the reverse, written in black biro by Jann Parry. ABT has been crossed through in pencil
3. One handwritten letter from 'Madam' following later performances of Triad, and asking him to 'please embark on at least a 2 act one as soon as possible'. In black biro, dated June (?) 20th. Triad 1972 (Jan or Feb) June written in blue biro on reverse of letter by Jann Parry

Nine page handwritten letter from Miami Beach, Florida to Kenneth and Deborah MacMillan where Georgina is teaching for three weeks at a Summer School just outside of Miami, run by an Argentinian dancer who had been a member of (Alicia) Alonso's company in Cuba. Mentions Mikhail Baryshnikov spraining his ankle at the last matinee of the season, giving a mumbled end of season speech to the Company in which he mentioned the forthcoming association with Kenneth MacMillan but not the Company acquiring Romeo and Juliet which is, however, common knowledge amongst the dancers. Also discusses the performances of Triad. Talks about her family and plans for the rest of the summer, undated but with envelope postmarked 23.6.1984

American Ballet Theatre first performed Kenneth MacMillan's one-act ballet Triad in their 1983/84 season. The material in this file mostly refers to those performances and comprises

1. Six printed forms for telephone messages at the Britannia Hotels, 18.8.1983-8.9.1983, including messages from Mikhail Baryshnikov, Deborah MacMillan and Monica Mason
2. Two pages of performance schedule for the Metropolitan Opera House, New York, for performances between 24.4.1984 and `6.6.1984, including performances of Concerto and Triad, 9.2.1984
3. One rehearsal call sheet for 4.6.1984 including Triad
4. One typed cast list for Anastasia Act III, 30.7.1984
5. One telegram and one confirmation telegram from Ashley Lawrence, conductor, wishing MacMillan good luck for opening performances of Triad, 30.5.1984
6. One typed office memo re draft proposal for next season, 27.3.1984

The material in this file comprises correspondence and agreements relating to recordings of Kenneth MacMillan's work made by the National Video Corporation. It includes

1. An agreement for the recording and distribution of performances of Triad by American Ballet Theatre, 1984
2. An idc from Janet Judd, Press Office for The Royal Ballet, with credits for Romeo and Juliet, 1985
3. A letter and agreement for the recording of the bedroom pas de deuxs from Manon and Romeo and Juliet for use in a programme on Natalia Makarova, 1985
4. Faxes asking to extend the agreement for Manon, 1991
5. Correspondence for the use of Manon and Romeo and Juliet in the programme Variations on an Enigma, 1990
6. Correspondence and agreements for the use of Manon and The Prince of the Pagodas, 1990 and 1991
7. Faxes re the dispute with Mme A Bessant-Massenet over the credits required for the music used for Manon
8. Double page colour sales brochure with details of Manon with colour photo of Anthony Dowell and Jennifer Penney, n.d.