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A contribtion to our knowledge of the herpetofauna of the Mexican state of Aguascalientes Anderson, James Donald - William Z Lidicker, Jr
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Contributions to the knowledge of the systematic arrangement and anatomy of certain genera and species of Squamata Beddard, Frank E
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A contribution to the knowledge of the l fauna of El Petén, Guatemala Stuart, Laurence Cooper
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Second addition to the knowledge of the Batrachia and Reptilia of Costa Pica Cope, Edward Drinker
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Third addition to a knowledge of the Batrachia and Reptilia of Costa Rica Cope, Edward Drinker
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Contributions to our knowledge of the duration of life in vertebrate animals Flower, Stanley S
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Addresses in memory of Edward Drinker, Cope delivered at the meeting in the hall of the American Fhilosophical Society held at Philadelphiafor promotig useful knowledge Anonymous
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A contribution to a knowledge of the herpetology of a portion of the savanna region of central Petén, Guatemala Stuart, Laurence Cooper
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9.
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Arquitectura y urbanismo de San Cristóbal: Una visión panorámica desde las crónicas, descripciones y memorias, Architecture and Urbanism of San Cristóbal: An Enhanced Vision from The Chronicles, Descriptions and Memories Méndez Salcedo, Ildefonso
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10.
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The role of NGOs in global health research for development Delisle, Hélène - Roberts, Janet - Munro, Michelle - Jones, Lori - Gyorkos, Theresa
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