By Harlen, Wynne, etc., Darwin, Anne, Murphy, Monica
By Harlen, Wynne, Jelly, Sheila
By Harlen, Jonathan, Jellet, Tom
By Harlen, Jonathan, Kennett, David
By Coben, Harlen
By Harlen, Wynne
By Cavendish, Susan J, Galton, Maurice J, Hargreaves, Linda, Harlen, Wynne
By Russell, Terry, Harlen, Wynne
By Wynne Harlen, Harlen, Wynne
By Harlen, Jonathan