Search for: [Subject and Keywords = catalog of seeds] OR [Subject and Keywords = seeds of trees and shrubs] OR [Subject and Keywords = seed exchange] OR [Subject and Keywords = Kórnik Arboretum] OR [Subject and Keywords = katalog nasion drzew i krzewów] OR [Subject and Keywords = index seminum] OR [Subject and Keywords = wymiana nasion drzew i krzewów] OR [Subject and Keywords = Arboretum Kórnickie] OR [Title = X. Catalogue des graines d'arbres et d'arbustes récoltées en 1948 et offertes en echange] OR [Creator = The Kórnik Gardens and Arboretum. Department of Dendrology and Pomology of the Trees and Forest Research Institute, Kórnik, Poland] OR [Creator = Fundacja Zakłady Kórnickie] OR [Creator = Ogrody Kórnickie. Dział Dendrologii i Pomologii Zakładu Badania Drzew i Lasu]