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Research in the service of national purpose; proceedings of the Office of Naval Research Vicennial Convocation
The naturalist's library
Seed specialties, some of the rarest and loveliest morning glories in the world!
Herbs from The Little House : spring 1943
Ant communities and how they are governed; a study in natural civics
The factors in organic evolution; a syllabus of a course of elementary lectures delivered in Leland Stanford junior university
Ants, bees, and wasps : a record of observations on the habits of the social hymenoptera
Letters of Alexander von Humboldt to Varnhagen von Ense. From 1827 to 1858. With extracts from Varnhagen's diaries, and letters of Varnhagen and othe…
Charles Darwin: his life and work
Farm club songs