5615835 "Christian is troubled" frontispiece from \'The Pilgrim\'s Progress From This World, To That Which Is To Come\' by John Bunyan (1628-1688) illustration by William Strang (1859-1921) Christian struggles under the weight of his sins and his guilt in the Slough of Despond. by Strang, William (1859-1921); Private Collection; (add.info.: William Strang (1859-1921) was a Scottish artist who illustrated many books during the 1890s when high quality illustrated books were very popular.); Photo by AF Fotografie.