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You searched for: Creator Personal Names Barnett, H. L. (Horace Leslie), 1909- Remove constraint Creator Personal Names: Barnett, H. L. (Horace Leslie), 1909- Creator Personal Names Krause, R. F. (Reginald Frederick), 1912- Remove constraint Creator Personal Names: Krause, R. F. (Reginald Frederick), 1912- Digital Content No Digital Content Remove constraint Digital Content: No Digital Content Subject Topical Carotenes--Production. Remove constraint Subject Topical: Carotenes--Production. Subject Topical Fungi. Remove constraint Subject Topical: Fungi. Subject Topical Phycomyces blakesleeanus. Remove constraint Subject Topical: Phycomyces blakesleeanus.

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