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Fishery bulletin
Trinidad: its geography, natural resources, administration, present condition, and prospects
Calendar of the letters of Charles Robert Darwin to Asa Gray
Trinidad, its geography, natural resources, administration, present condition, and prospects
Manned undersea activities of the Federal agencies and utilization of manned undersea research submersibles and habitats, December 1972 : prepared fo…
Scientific applications of current diving technology on the U.S. continental shelf : results of a symposium sponsored by the National Undersea Resear…
Facility for mass rearing of boll weevils : engineering aspects