The material concerns the following places: Inchdrewer Castle (folios 1-3); Inchinnan stone (folio 4); Inchmahome Priory (folios 5-15); Inchoch Castle (folios 16-17); Inglishmaldie Castle (folio 18); Inishmagoile Church (folio 19); Innellan Mansion (folios 20-21); Innernethy House, see Invernethy; Innerpeffray Church (folios 22-27); Innerpeffray Castle (folios 28-29); Innes House (folios 30-31); Insch Church (folio 32); Inveresk Church; Drummore, sundial at (folios 33-36); Inveresk House, sundial at; sundial at Calder House (folios 37-40); Inveresk Lodge and Halkerston Lodge (folios 41-47); Invergarry Castle (folios 48-50); Invergowrie Church (folios 51-52); Inverkeithing Church; Corstorphine Church; Tullibardine Church (folios 53-56); Inverkeithing, houses and cross (folios 57-59); Inverkip Castle (folios 60-61); Invermark Castle (folios 62-64); Invermay, sundials (folio 65); Invernethy; sundials at Inverkip Castle, Newburgh, Auchterhouse Church (folios 66-69B); Inverquarity Castle (folios 70-71); Iona, St Oran (folios 72-76); Ireland, early churches (folio 77); Irvine Town House (folios 78-80); Irvine House in Seagate (folios 81-87); Isle Chapel (folios 88-91); Isle Castle, see Bankhead; Isle Tower (folios 92-93); Jedburgh, Queen Mary's House; sculptures from Corstorphine Church, Fernielee, Newark Castle (Yarrow), Greenknowe Tower, Traquair House, Oakwood Tower (folios 94-102); Jerviswood Castle (folios 103-105).