@Book{OL14856970M, title: {Official descriptive and illustrated catalogue}, author: {Great Exhibition (1851 London, England)}, publisher: {Spicer Brothers, Wholesale Stationers; W. Clowes and Sons, Printers; Contractors to the Royal Commission}, year: {1851}, place: {London}, } @Book{OL7039068M, title: {A book of images}, author: {W. T. Horton}, publisher: {The Unicorn press}, year: {1898}, place: {London}, } @Book{OL6652121M, title: {Heraldry and floral forms as used in decoration}, author: {Herbert Cole}, publisher: {J.M. Dent \& Sons ltd.}, year: {1922}, place: {London \&}, } @Author{OL830910A, name: {Herbert Cole}, birth_date: {1867} , death_date: {1930} }