" Blake’s grave lies half a mile or so from Slough House, in Bunhill Fields cemetery. It’s marked by a small headstone, also dedicated to his wife Catherine, and is out in the open, at one end of a paved area lined with benches and sheltered by low trees. The stone doesn’t mark the couple’s exact resting place, but indicates that their remains are not far off. Next to it is a memorial to Defoe; Bunyan’s tomb is yards away. Nonconformists all. Whether that was "
― Mick Herron , Slow Horses (Slough House, #1)