* [https://search.clevnet.org/client/en_US/clevnet/search/detailnonmodal/ent:$002f$002fSD_ILS$002f0$002fSD_ILS:5900636/one A History of the Fredericksburg, Ohio Potteries and Reference Guide] | * [https://search.clevnet.org/client/en_US/clevnet/search/detailnonmodal/ent:$002f$002fSD_ILS$002f0$002fSD_ILS:5900636/one A History of the Fredericksburg, Ohio Potteries and Reference Guide] |