GB/0397 Royal Academy of Arts Archive.          GI John Gibson, RA, papers c. 1822-1866                  GI/3 Miscellaneous notes c. 1830-1860                          >GI/3/33 Note entitled "Plato. Of first Matter" c. 1850 Reference Code GI/3/33 Level Item Title Note entitled "Plato. Of first Matter" Date c. 1850 Extent & Medium 1 piece Physical Characteristics In John Gibson's hand.