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The world's most select dahlias : 1926 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C. Louis Alling, 1926)

The world's most select dahlias : 1927 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C. Louis Alling, 1927)

The world's most select dahlias : 1928 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C. Louis Alling, 1928)

The world's most select dahlias : 1929 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C. Louis Alling, 1929)

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昆蟲世界 = The insect world - Nawa, Yasushi, 1857 -1926 (名和昆蟲硏究所, 1912)

昆蟲世界 = The insect world - Nawa, Yasushi, 1857 -1926 (名和昆蟲硏究所, 1917)