Home › Authors › C. K. Schubert 👤 C. K. Schubert 3 books Books by C. K. Schubert Clarelen orchids, since 1930 Clarelen orchids, since 1930 1961 Introducing new vigorous strai Introducing new vigorous strains for modern breeding 1961 New frontiers in orchid breedi New frontiers in orchid breeding 1961