International bulletin of plant protection.

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Item Link Original Source
Limited (search only)   v. 3-5 (1929-31) University of California
Limited (search only)   v.3-5 1929-31 Cornell University
Limited (search only)   V3 1929 The Ohio State University
Limited (search only)   v. 6-7 (1932-33) University of California
Limited (search only)   v.6-8 1932-34 Cornell University
Limited (search only)   v. 8-9 (1934-35) University of California
Limited (search only)   v.9-10 1935-36 Cornell University
Limited (search only)   v.11-12 1937-38 Cornell University
Limited (search only)   v.13-14 1939-40 Cornell University
Limited (search only)   v.15-16 1941-42 Cornell University
Limited (search only)   v.17-20 1943-46 Cornell University
Limited (search only)   v. 20 University of California