By Escott, John, Macdonald, Alan, Birkinshaw, Marie, Straaten, H.V., Straaten, Harmen van, etc., Martyr, Paula, Richardsdon -Jones, Tessa
By McIlwain, John, Hutchins, Roger, Well, H.V., Well, Hans van
By Hodson, H.V.
By Hempleman, H.V.
By Wheal, H.V., Thomson, Alex M.
By Kershaw, H.V.