{"source":"book","style":"apa","contributors": [{"function":"author","last":"Bulfinch","first":"Thomas"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"The boy inventor : a memoir of Matthew Edwards, mathematical-instrument maker","publisher":"Walker, Wise & Co.","city":"Boston","year":"1860"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"7359092"}