Rosengarten, Handbook of Architectural Styles; London and New York.

Simpson, A History of Architectural Development; London.

Spiers, Architecture East and West; London.

Stratham, Architecture for General Readers; London.

Sturgis, European Architecture; New York.

Transactions of the Royal Institute of British Architects; London.

Viollet-le-Duc, Discourses on Architecture; Boston.

Theory, the Orders, etc.

Chambers, A Treatise on Civil Architecture; London.

Daviler, Cours d’architecture de Vignole; Paris.