CCI THREDDS Data Server Catalog https://data.cci.ceda.ac.uk/thredds/catalog/esacci/sst/data/comparison/catalog.html

Dataset Size Last Modified
     Folder  comparison   --
         Folder  gridded_reference_data/   --
         Folder  Karspeck/   --
         Folder  Kaplan_extended/   --
         Folder  ERSST/   --
         Folder  DailyOI-AVHRR-AMSRE/   --
         Folder  DailyOI-AVHRR/   --
         Folder  COBE-SST/   --
         Folder  AVHRR_Pathfinder/   --

CCI THREDDS Data Server at CEDA see Info
Documentation