- FondsHarper - Papers of Charles Hugh Richardson Harper
- SeriesBox 1 - Correspondence, material relating to the Harper-Wood Studentship, miscellaneous manuscript notes, and a printed book
- File5 - Correspondence between Ralph S. Hosmer, on behalf of Mr Harper, and the 'New York Times', and Mr Harper and the Lord Mayor of London [ Sir Frank Newson-Smith ] regarding Mr Harper's poem 'Sonnet to London'
- Item1 - TLS from Percy Hutchinson, Poetry Editor to Ralph S. Hosmer
- Item2 - 'Sonnet to London' from 'The New York Times' (19 July 1943)
- Item3 - ALS [dictated] to the Lord Mayor of London
- Item4 - TLS to C. H. R. Harper