| Description | Hardy, W B (London)
Harms, H (Berlin)
Harris, Frederick (Cornwall, England)
Harshbuger[?], John W (London)
Harbert[?] (Zoological Museum, Tring)
Hedrick, U P (New York Agricultural Experiment Station, Geneva)
Henry, Augustine (Royal College of Science for Ireland, Dublin)
Hiern, W P (Barnstaple) - includes letter from 1921
Higgins, Miss (Luton, England)
Higgins, Vera (East Croydon, England)
[illegible], B P (Geneva Botanical Garden, Switzerland)
Hole, R S (Dehradun, India)
Hollis, Edwin (Architectural and Archaeological Society for the County of Buckingham, Aylesbury)
Holmes, E M (Kent, England)
Royal Horticultural Society Gardens (Surrey, England) - including letter from Fred J Chittenden
Howard, A (Bihar, India)
Howarth, W O (University of Manchester)
Holland, T H[?] (Imperial College of Science and Technology)
Hubbard, F Tracy (Ames Botanical Laboratory, Boston)
Hutchinson, J (Royal Botanic Gardens, Kew)
Hume, W F (Geological Survey of Egypt, Cairo) |