@JPRidgeway So, quite a lot of the Heian mss. are accessible in some way. For one of the major (in one half at least) Kamakura period mss. also see the 紀州本 in https://t.co/g8W4Y5wVzy (etc., in separate vols.). It's a pity that some other digitized early facsimile editions are NDL-only.