Ruskin, J., & Roth, C. (2004). The two paths: Being lectures on art and its application to decoration and manufacture delivered in 1858-9. Parlor Press.

Ruskin, John, and Christine Roth. The Two Paths: Being Lectures on Art and Its Application to Decoration and Manufacture Delivered in 1858-9. West Lafayette, Indiana: Parlor Press, 2004.

Ruskin, John, and Christine Roth. The Two Paths: Being Lectures on Art and Its Application to Decoration and Manufacture Delivered in 1858-9. Parlor Press, 2004.