"Firm ID",Name,Gender,"Street Address",City,"Start Date","End Date",Role,"Title Id",Title,"Signed Author",Pseudonym,Imprint,"Self Published","Printing City","Printing Country","Printing Lat","Printing Long",Date,Format,Length,Width,Edition,Volumes,Pagination,Sources,"Price Pound","Price Shilling","Price Pence","Other Price",Genre,"Shelf mark" 4641,"John Mardon [Jewin Cr]",U,"30 Jewin Crescent",London,1833,1833,Bookseller,1526,"The Backslider.",,,"Simpkin, Marshall, and Co., Stationers’ Court. Sold also by J. Mardon, Farringdon-street.",no,London,GB,51.5085300,-0.1257400,1836,Octodecimo,,,,1,,"The English Novel 1830-1836 Appendix 2, C: 16",,1,3.0,,Fiction,