an Entity references as follows:
Dame Barbara Cartland (1901–2000) was a prolific English contemporary and historical romance novelist who published 728 books over 76 years. Cartland published under several pen names, including her married name Barbara McCorquodale. She also briefly published under the pen name Marcus Belfry, the pseudonym of Polish film and television actor Olek Krupa. After her death in 2000, 160 unpublished archival manuscripts were published as the Barbara Cartland Pink Collection.