Power of form applied to geometric tracery. One hundred designs and their foundations resulting from one diagram

Chicago citation style
Billings, Robert William, 1813-1874. Power of form applied to geometric tracery. One hundred designs and their foundations resulting from one diagram. 1851. Retrieved from the Digital Public Library of America, http://maca.contentdm.oclc.org/u?/p16245coll1,112988. (Accessed April 19, 2024.)
APA citation style
Billings, Robert William, 1813-1874, (1851) Power of form applied to geometric tracery. One hundred designs and their foundations resulting from one diagram. Retrieved from the Digital Public Library of America, http://maca.contentdm.oclc.org/u?/p16245coll1,112988
MLA citation style
Billings, Robert William, 1813-1874. Retrieved from the Digital Public Library of America <http://maca.contentdm.oclc.org/u?/p16245coll1,112988>.
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