I.A. Tracey, at High Hall, Wimborne, to Bowles, 5 May, no year
K.M. Bernard, at Copdock, Ipswich, to Bowles, 3 May 1927
Isabel Tracey, at High Hall, Wimborne, to Bowles, 27 Apr, no year
Mrs A.K. Bittleston, at La Madeleine, Tourrettes-sur-Loup, Alpes-Maritimes, France, to the Secretary, RHS, London, 19 Feb 1930
F.R. Durham, at RHS, Vincent Square, Westminster, [London] SW1, 30 May 1930
[Edward H. Woodall], at La Selva, Brancola, Nice, [France], to Bowles, 27 Apr, no year (letter incomplete; first page only)