{"source":"book","style":"apa","contributors": [{"function":"author","last":"De","first":"Morgan","middle":"Augustus,"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"Arithmetical books from the invention of printing to the present time : being brief notices of a large number of works drawn up from actual inspection","publisher":"Taylor and Walton","city":"London","year":"1847"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"2029108"}