57p large format paperback, grey paper cover a little aged, large folding maps in back, some in ...
12p essay in "Natural Science", contains also News, Obituaries, New Books, Herrera on the ...
11p essay in "Natural Science", contains also Notes, Fresh Facts, Massee on Cereal Rust Problem, ...
pp190 - 202 offprint A4 card covers, photographic plates, illustrations, very good
pp161 - 189 offprint A4 card covers, photographic plates, tables, very good
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