Modern roses XI : the world encyclopedia of roses : the most comprehensive listing of roses in the world, over 24,000 roses described, includes a comprehensive list of roses of historical and botanical importance, old garden roses at Sangerhausen included in listing together with an article on this unique rose repository, official modern rose registrations filed with the International Registrar for Roses, the American Rose Society, includes unregistered roses in commerce, report on classifications of roses, report on registration process of roses, report on the history of the 'Peace' rose
Published: (2000)