1/ A manuscript handlist (1968)
2/ A typescript handlist (1989)
3/ Note from Gordon Bottomley introducing the collection of letters
4/ Note from Gordon Bottomley after 424/1/1/1/10/10 - explaining missing letters between 1903 and 1904
5/ Note from Gordon Bottomley after 424/1/1/1/10/171 - explaining his removal to Surrey from end of October 1912 to April 1913
6/ Note from Gordon Bottomley after 424/1/1/1/10/185 - explaining lack of letters during following months
7/ Note from Gordon Bottomley after 424/1/1/1/10/225 - description of ET's last vist