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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- Creator Personal Names Lotspeich, F. J. Remove constraint Creator Personal Names: Lotspeich, F. J. Subject Topical Carotenes--Production. Remove constraint Subject Topical: Carotenes--Production. Subject Topical Phycomyces blakesleeanus. Remove constraint Subject Topical: Phycomyces blakesleeanus.

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