- BA3.
- Cyfres
- 1972-1998.
Correspondence, 1972-1998, mainly relating to commissions and visits by the composer to universities in the United States and Canada.
North America -- Tours.
Tacsonomeg
Cod
Nodyn(nodiadau) cwmpas
Nodyn(nodiadau) ffynhonnell
Nodyn(nodiadau) darganfod
Termau hierarchaidd
North America -- Tours.
Termau cyfwerth
North America -- Tours.
Termau cysylltiedig
North America -- Tours.
2 Disgrifiad archifol canlyniad ar gyfer North America -- Tours.
2 canlyniad yn uniongyrchol gysylltiedig Eithrio termau culach
- BB4/27.
- Ffeil
- 1971.
A volume of press cuttings and concert programmes relating to the Pendyrus tour of the USA and Canada, October 1971, is included.