Condit, 1968, p. 121. Condit, Carl W. (1968). American Building: Materials and Techniques from the Beginning of the Colonial Settlements to the Present(en inglés). Chicago y Londres: University of Chicago Press. OCLC600614625.
Condit, 1968, p. 114-115. Condit, Carl W. (1968). American Building: Materials and Techniques from the Beginning of the Colonial Settlements to the Present(en inglés). Chicago y Londres: University of Chicago Press. OCLC600614625.
Condit, 1968, p. 114. Condit, Carl W. (1968). American Building: Materials and Techniques from the Beginning of the Colonial Settlements to the Present(en inglés). Chicago y Londres: University of Chicago Press. OCLC600614625.
Condit, 1968, p. 115. Condit, Carl W. (1968). American Building: Materials and Techniques from the Beginning of the Colonial Settlements to the Present(en inglés). Chicago y Londres: University of Chicago Press. OCLC600614625.
Condit, 1968, p. 123-124. Condit, Carl W. (1968). American Building: Materials and Techniques from the Beginning of the Colonial Settlements to the Present(en inglés). Chicago y Londres: University of Chicago Press. OCLC600614625.
Condit, 1968, p. 124-125. Condit, Carl W. (1968). American Building: Materials and Techniques from the Beginning of the Colonial Settlements to the Present(en inglés). Chicago y Londres: University of Chicago Press. OCLC600614625.