Dijon 6th October 1849 Notebook M2 p.1back - the nature of Gothic 7th October 1849 Notebook M p.1 - the stability and the kingliness of truth.
Chamonix 17th October 1849 Notebook M p.4 The apparent stability of the peak of Charmoz is set against the notion that things are not always as they are perceived to be; he returns to the problem of perception at the end of his stay in Venice at Notebook M2 p.110.
At Notebook M p.115 there are descriptions of buildings in Mantua and Udine, but there is no other evidence that Ruskin visited either of them on this journey.