How did John Ruskin research Venetian architecture for The Stones of Venice?

To research his seminal work, The Stones of Venice, John Ruskin traveled to Venice in November 1849. His research was characterized by long months of direct, laborious study of the city's original buildings, which at the time were suffering from significant neglect and decay.1

Rather than relying solely on existing texts, Ruskin engaged in a meticulous, firsthand examination of the architectural fabric itself. This immersive approach allowed him to develop his thesis that the architectural evolution of Venice—from its Byzantine and Gothic heights to its Renaissance decline—served as a direct reflection of the city's moral and social conditions. His findings ultimately informed his broader arguments regarding the relationship between artistic expression, individual craftsmanship, and the health of society.21