If Lovecraft or Blackwood had said the same, it wouldn’t have meant more than Ramsey Campbell listing Apartment 16 as one of his top five horror novels since 2000. Am sitting up straighter today and even my shirt is tucked in. Link attached to a great interview with Mr Campbell in David McWilliams’ Gothic Imagination series.
http://www.gothic.stir.ac.uk/interviews/ramsey-campbell-interviewed-by-david-mcwilliam/