RA Collection: People and Organisations
From E. C. Bigmore and C. W. H. Wyman. A bibliography of Printing. 3vols in 1. OakKnoll Press, 2001., p. 259. ‘In 1849, John Rider died, leaving the printing-office to his two sons John & William, who under the style of J. & W. Rider, greatly extended the business. John Rider died in the year 1864, at the early age of 37, and the business was then conducted by William Rider as sole proprietor, without change of style until January 1st 1882, when, having taken his only son William H. Rider into partnership, the firm became William Rider & Son.’