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  1. By: Estabrook, Leon M. (Leon Moyer),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1926
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Agriculture  Argentina  Paraguay
  2. By: Wetmore, Alexander,
    Publication info: 1920
    Holding Institution: Smithsonian Institution Archives
    Subjects: Argentina  Buenos Aires  Calao (Ship)  Chaco  Field notes  Formosa  Las Palmas  migratory birds  Montevideo  Ornithology  Paraguay  Photograph albums  San Antonio, Cabo  United States National Museum  Uruguay  
    BHL Collections: Smithsonian Field Books collection
  3. By: Forel, Auguste,
    Publication info: Berlin, Nicolaische Verlags-Buchhandlung, 1909
    Holding Institution: Smithsonian Libraries
    Subjects: Ants  Guatemala  Hymenoptera  Paraguay  
  4. By: Bertoni, Moisés S.
    Publication info: Asunción, etc, 1901-1922?
    Holding Institution: Smithsonian Libraries
    Subjects: Natural history  Paraguay  Periodicals  
    BHL Collections: Publicaciones en Español
  5. By: Azara, Félix de,
    Publication info: Madrid Impr. de la viuda de Ibarra [etc.] 1802-05
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    Subjects: Birds  Paraguay
    BHL Collections: Publicaciones en Español
  6. By: Wetmore, Alexander,
    Publication info: 1920-1927
    Holding Institution: Smithsonian Institution Archives
    Subjects: Argentina  Field notes  Haiti  migratory birds  Ornithology  Paraguay  United States Dept. of Agriculture
    BHL Collections: Smithsonian Field Books collection
  7. By: Bertoni, Arnaldo de Winkelried,
    Publication info: Asunción, Talleres nacionales de H. Kraus, 1901
    Holding Institution: Smithsonian Libraries
    Subjects: Birds  Paraguay
    BHL Collections: Publicaciones en Español
  8. By: Fiebrig, Karl
    Publication info: Jena G. Fischer 1910
    Holding Institution: Smithsonian Libraries
    Subjects: Beetles  Paraguay  Tortoise beetles
  9. By: Parodi, Domingo
    Publication info: Buenos Aires, Imp. de la Nación, 1892
    Holding Institution: University of Toronto - Gerstein Science Information Centre
    Subjects: Amaranthaceae  Botany  Paraguay  
    BHL Collections: Publicaciones en Español
  10. By: Azara, Félix de, - Moreau de Saint-Méry, M. L. E. (Médéric Louis Elie),
    Publication info: Paris, Imprimerie de C. Pougens, Librairie de Madame Huzard, 1801
    Holding Institution: Duke University Libraries (archive.org)
    Subjects: Mammals  Paraguay
  11. By: Azara, Félix de, - Moreau de Saint-Méry, M. L. E. (Médéric Louis Elie),
    Publication info: Paris, Charles Pougens, quai Voltaire, n.o 10, An IX (1801)
    Holding Institution: John Carter Brown Library (archive.org)
    Subjects: Imprint 1801  Mammals  Paraguay
  12. By: Hills, John Waller, - Dunbar, Ianthe M.
    Publication info: London, P. Allan & co, [1922]
    Holding Institution: Smithsonian Libraries
    Subjects: Description and travel  Fishing  Paraguay  
  13. By: Saint-Hilaire, Auguste de,
    Publication info: Paris, A. Belin, 1824
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    Subjects: Brazil  Description and travel  Paraguay  Plants
    BHL Collections: New York Botanical Garden
  14. By: Charlevoix, Pierre-François-Xavier de, - Patterson, Jefferson, Mrs.,
    Publication info: A Paris, Chez Desaint ..., David ..., [et] Durand, 1757
    Holding Institution: Smithsonian Libraries
    Subjects: History  Jesuits  Paraguay  To 1811  
  15. By: Paynter, Raymond A.
    Edition: 2nd. ed.
    Publication info: Cambridge, Mass, Obtainable from Bird Dept., Museum of Comparative Zoology, Harvard University, 1989
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    Subjects: Birds  Catalogs and collections  Gazetteers  Geographical distribution  Paraguay  
  16. By: Rodrigues, J. Barbosa (João Barbosa),
    Publication info: Rio de Janeiro, Typ. Leuzinger, 1900
    Holding Institution: Smithsonian Libraries
    Subjects: Palms  Paraguay  
  17. By: Rodrigues, J. Barbosa (João Barbosa),
    Publication info: Rio de Janeiro, Leuzinger, 1899
    Holding Institution: Smithsonian Libraries
    Subjects: Palms  Paraguay
  18. By: Hoyt, Avery S. - United States. Office of Experiment Stations.
    Edition: Rev.
    Publication info: Washington, D.C, United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, [1949]
    Holding Institution: University of Florida, George A. Smathers Libraries
    Subjects: Law and legislation  Paraguay  Plant quarantine  
    BHL Collections: Expanding Access to Biodiversity Literature
  19. By: Chodat, R. (Robert), - Hassler, Emile,
    Publication info: Genève, Impr. Romet, [1898-1907]
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    Subjects: Paraguay  Plants
    BHL Collections: New York Botanical Garden
  20. By: Montenegro, Pedro de,
    Publication info: Paraguay, s.n, before 1715
    Holding Institution: John Carter Brown Library (archive.org)
    Subjects: Botany  Glossaries, vocabularies, etc  Guarani language  Imprint 1715  Indian linguistics  Jesuits  Manuscripts  Manuscripts, Spanish  Medicinal plants  Natural history  Paraguay  South America  Spanish  Tupi language  
    BHL Collections: Publicaciones en Español
  21. By: Azara, Félix de, - Walckenaer, C. A. (Charles Athanase),
    Publication info: Leipzig, Bei J.L. Hinrich's, 1810
    Holding Institution: Smithsonian Libraries
    Subjects: Description and travel  Indians of South America  Natural history  Paraguay
  22. By: Jardín Botánico (Asunción, Paraguay) - Museo de Historia Natural del Paraguay.
    Publication info: Asunción, Jardín Botánico y Museo de Historia Natural del Paraguay, 1921-
    Holding Institution: Smithsonian Libraries
    Subjects: Botany  Natural history  Paraguay  Periodicals  
    BHL Collections: Latino Natural History | Publicaciones en Español
  23. By: Azara, Félix de, - Hunter, W. Perceval (William Perceval),
    Publication info: London, A. J. Valpy, 1837
    Holding Institution: Internet Archive
    Subjects: Mammals  Paraguay
  24. By: Masterman, George Frederick.
    Publication info: Buenos Aires, Impr. Americana, 1870
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: 1865-1870  Description and travel  Paraguay  Paraguayan war  
    BHL Collections: Publicaciones en Español
  25. By: Wetmore, Alexander,
    Publication info: 1920-1921
    Holding Institution: Smithsonian Institution Archives
    Subjects: Argentina  Asuncion  Botany  Brazil  Buenos Aires  Chaco  Chile  Clippings (information artifacts)  Correspondence  Field notes  Memorabilia  migratory birds  Ornithology  Paraguay  South America  Tucuman  United States Dept. of Agriculture  Uruguay
    BHL Collections: Smithsonian Field Books collection
  26. By: Wetmore, Alexander,
    Publication info: 1920-1921
    Holding Institution: Smithsonian Institution Archives
    Subjects: Argentina  Asuncion  Bats  Brazil  Chaco  Chile  Clippings (information artifacts)  Correspondence  English sparrow  Field notes  Mammalogy  Memorabilia  migratory birds  Ornithology  Paraguay  South America  Tucuman  United States Dept. of Agriculture  Uruguay
    BHL Collections: Smithsonian Field Books collection
  27. By: Wetmore, Alexander,
    Publication info: 1920-1921
    Holding Institution: Smithsonian Institution Archives
    Subjects: Argentina  Astronomical charts  Brazil  Buenos Aires  Field notes  Maps  migratory birds  Ornithology  Paraguay  Rio Grande  South America  United States Dept. of Agriculture
    BHL Collections: Smithsonian Field Books collection
  28. By: Wetmore, Alexander,
    Publication info: 1920-1921
    Holding Institution: Smithsonian Institution Archives
    Subjects: Argentina  Black-and-white photographs  Buenos Aires  Chaco  Chile  Field notes  Formosa  migratory birds  Ornithology  Paraguay  Reports  Rocha  South America  United States Dept. of Agriculture  Uruguay
    BHL Collections: Smithsonian Field Books collection
  29. By: Weksler, Marcelo - Bonvicino, Cibele Rodrigues - D'Andrea, Paulo Sergio - Lemos, Elba M. S.
    Publication info: New York, NY, American Museum of Natural History, [2017]
    Holding Institution: American Museum of Natural History Library
    Subjects: Brazil  Classification  Hantaviruses  Mammals  Mice as carriers of disease  Muridae  Oligoryzomys mattogrossae  Paraguay
  30. By: Daday, Jenö, - Michaelsen, W. (Wilhelm),
    Publication info: Stuttgart, E. Nägele, 1905
    Holding Institution: Smithsonian Libraries
    Subjects: Freshwater animals  Naididae  Paraguay  
  31. By: Azara, Félix de, - Cuvier, Georges, baron, - Barras De Aragón, Francisco De Las, - Walckenaer, Charles Athanase, baron,
    Publication info: [Madrid], Calpe, 1923
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Birds  Description and travel  Indians of South America  Natural history  Paraguay
    BHL Collections: Publicaciones en Español
  32. By: Azara, Félix de, - Walckenaer, C. A. (Charles Athanase), - Cuvier, Georges, baron, - Sonnini, C. S. (Charles Sigisbert), - Haenke, Tadeáš, - Dentu, J. G. (Jean-Gabriel),
    Publication info: Paris, Dentu, imprimeur-libraire, Rue de Pont-de-Lodi, no. 3, 1809
    Holding Institution: Multiple institutions
    Subjects: Aves  Birds  Booksellers' advertisements  DESCRIPCIONES Y VIAJES  Description and travel  história natural  Indians of South America  Natural history  Paraguay  Travel
  1. By: Lorenzo, Laura E - Messuti, María Inés
    Type: Article
    In: Darwiniana
    Date: 2009-12-01
    Subjects: Argentina  Chile  Dothideomycetes  Hysterographium  Paraguay
  2. By: Tierno de Figueroa, José Manuel - Padial, José M.
    Type: Article
    In: El hornero
    Date: 2005-12-01
    Subjects: abundância  Chaco  Diversidad  Pantanal  Paraguay
  3. By: De Egea, Juana - Mereles, Fatima - Peña-Chocarro, María del Carmen - Céspedes, Gloria
    Type: Article
    In: PhytoKeys
    Volume: 73
    Date: 2016
    Page Range: 13-92
    Publication Info: Pensoft Publishers 2016
    Subjects: agro-ecosystems  Crops  new records  Paraguay  Weeds  
  4. By: Ronderos, María Marcela - Spinelli, Gustavo R. - Díaz, Florentina
    Type: Article
    In: Revista de la Sociedad Entomológica Argentina
    Date: 2004-07-01
    Subjects: adult  larva  Palpomyia guarani  Paraguay  Pupa  SEM
  5. By: Bodrati, Alejandro - Areta, Juan Ignacio.
    Type: Article
    In: El hornero
    Date: 2010-12-01
    Subjects: Argentina  Caprimulgus maculicaudus  Chaco  Chordeiles acutipennis  distribución  Formosa  identificación  Misiones  Paraguay  Salta
  6. By: Vilela, Carlos R. - Valente-Gaiesky, Vera Lúcia da Silva - Basso-Da-Silva Luciano
    Type: Article
    In: Revista Brasileira de Entomologia
    Date: 2004-06-01
    Subjects: Brazil  Neotropical region  new species  Paraguay  tripunctata group
  7. By: Lesterhuis, A. J. - Clay, R. P.
    Type: Article
    In: El hornero
    Date: 2003-08-01
    Subjects: Calidris alpina  Dunlin  first record  Paraguay  South American records
  8. By: de la Sancha, Noé - Solari, Sergio - Owen, Robert D.
    Type: Article
    In: Mastozoología neotropical
    Date: 2007-12-01
    Subjects: Paraguay
  9. By: Scott, Norman J., - Giraudo, Alejandro R. (Alejandro Raúl) - Scrocchi, Gustavo - Aquino, Aida Luz - Cacciali, Pier - Motte, Martha
    Type: Article
    In: Papéis Avulsos de Zoologia (São Paulo)
    Date: 2006-01-01
    Subjects: Argentina  Boiruna  Clelia  colubrids  Paraguay  pseudoboines
  10. By: Robinson, Harold Ernest,
    Type: Article
    In: PhytoKeys
    Volume: 57
    Date: 2015
    Page Range: 61-92
    Publication Info: Pensoft Publishers 2015
    Subjects: Argentina  Bolivia  Brazil  Fleischmannia  new taxa  Paraguay
  11. By: Yahnke, Christopher J.
    Type: Article
    In: Mastozoología neotropical
    Date: 2006-06-01
    Subjects: Chaco  Habitat selection  Natural history  Paraguay  small mammals
  12. By: Rotman, Alicia D.
    Type: Article
    In: Darwiniana
    Date: 2006-12-01
    Subjects: Argentina  Lantana  Paraguay  Verbenaceae
  13. By: De Egea, Juana - Peña-Chocarro, María del Carmen - Mereles, Fátima - Céspedes, Gloria
    Type: Article
    In: PhytoKeys
    Volume: 103
    Date: 2018
    Page Range: 1-12
    Publication Info: Pensoft Publishers 2018
    Subjects: dry Chaco  endemism  Manihotae  Paraguay  
  14. By: Luna, Javier A - Morales, Matías - Fortunato, Renée
    Type: Article
    In: Boletín de la Sociedad Argentina de Botánica
    Date: 2012-12-01
    Subjects: Leguminosae  Mimosa  Mimosa diversipila  Paraguay
  15. By: Stevens, Richard D. - López-González Celia - McCulloch, Eve S. - Netto, Flavia
    Type: Article
    In: Mastozoología neotropical
    Date: 2010-06-01
    Subjects: forest  Interior Atlantic  Myotis  Paraguay  range extension
  16. By: Ortiz, Rosa - Nee, Michael
    Type: Article
    In: PhytoKeys
    Volume: 38
    Date: 2014
    Page Range: 89-99
    Publication Info: Pensoft Publishers 2014
    Subjects: Bolivia  Cissampelos  Conservation status  IUCN  Menispermaceae  Paraguay  Sand dunes  
  17. By: Wood, John - Muñoz Rodríguez, Pablo - Degen, Rosa - Scotland, Robert
    Type: Article
    In: PhytoKeys
    Volume: 88
    Date: 2017
    Page Range: Jan-38
    Publication Info: Pensoft Publishers 2017
    Subjects: Brazil  Caatinga  Cerrado  Chapada dos Veadeiros  endemic  inselbergs  Paraguay  Peru  taxonomy  
  18. By: Saunders, Janice G.
    Type: Article
    In: Darwiniana
    Date: 2005-12-01
    Subjects: Argentina  Byttnerioideae  Hermannieae  Malvaceae s.l  Paraguay  Pollen morphology  Venezuela  Waltheria
  19. By: Michlig, Andrea - Ferraro, Lidia Itati
    Type: Article
    In: Darwiniana
    Date: 2012-12-01
    Subjects: áreas protegidas  Argentina  líquenes  Paraguay
  20. By: Slanis, Alberto Carlos - Bulacio, Eva del V.
    Type: Article
    In: Boletín de la Sociedad Argentina de Botánica
    Date: 2008-07-01
    Subjects: Argentina  Commelina  Commelinaceae  Paraguay  Taxonomía
  21. By: Teta, Pablo - Contreras Roqué, Julio Rafael
    Type: Article
    In: El hornero
    Date: 2003-08-01
    Subjects: hábitos alimentarios  Lechuza de Campanario  Paraguay  Strigiformes
  22. By: Callaghan, Curtis J. (Curtis John)
    Type: Article
    In: Zoologia (Curitiba)
    Date: 2010-06-01
    Subjects: Biology  Brazil  Distribution  Paraguay  Planalto Central
  23. By: St Laurent, Ryan - Herbin, Daniel - Mielke, Carlos Guilherme Costa
    Type: Article
    In: ZooKeys
    Volume: 646
    Date: 2017
    Page Range: 119-137
    Publication Info: Pensoft Publishers 2017
    Subjects: Distribution  Neotropical  Paraguay  Tarema bruna sp. n  Tarema fuscosa  Tarema macarina syn. n  Tarema rivara  taxonomy
  24. By: St Laurent, Ryan - Herbin, Daniel
    Type: Article
    In: ZooKeys
    Volume: 644
    Date: 2017
    Page Range: 89-104
    Publication Info: Pensoft Publishers 2017
    Subjects: Argentina  Brazil  Paraguay  Uruguay  Vanenga mediorosea sp. n  Vanenga mera
  25. By: Cacciali, Pier - Martinez, Nicolas - Köhler, Günther,
    Type: Article
    In: ZooKeys
    Volume: 669
    Date: 2017
    Page Range: 89-105
    Publication Info: Pensoft Publishers 2017
    Subjects: 16S barcodes  Humid Chaco  neotype  Paraguay  taxonomy  
  26. By: Gutiérrez, Alejandra - Barboza, Gloria Estela. - Mentz, Lilian Auler
    Type: Article
    In: Darwiniana
    Date: 2006-12-01
    Subjects: Argentina  Paraguay  Solanum
  27. By: Sinelli, Gustavo R. - Cazorla, Carla G.
    Type: Article
    In: Revista de la Sociedad Entomológica Argentina
    Date: 2005-12-01
    Subjects: Argentina  nuevos registros  Paraguay  sinonímia  Stilobezzia (Eukraiohelea)
  28. By: Vogler, Roberto E. - Beltramino, Ariel A. - Gutiérrez Gregoric, Diego Eduardo - Peso, Juana G. - Griffin, Miguel - Rumi, Alejandra
    Type: Article
    In: Revista mexicana de biodiversidad
    Date: 2012-12-01
    Subjects: Argentina  Aylacostoma  freshwater  native species  Paraguay  TPS
  29. By: Curran, Stephen S.
    Type: Article
    In: Revista mexicana de biodiversidad
    Date: 2008-08-01
    Subjects: Creptotrema lamothei n. sp  Creptotrema sucumbiosa n. sp  Ecuador  Paraguay
  30. By: Gonzalez, Victor H. - Griswold, Terry L.
    Type: Article
    In: ZooKeys
    Volume: 120
    Date: 2011
    Page Range: 9-25
    Publication Info: Pensoft Publishers 2011
    Subjects: Anthophila  Ecuador  Meliponini  Neotropics  Paraguay  stingless bees  taxonomy
  31. By: Klavins, Juan - Bodrati, Alejandro
    Type: Article
    In: El hornero
    Date: 2007-08-01
    Subjects: Argentina  expansión  Fluvicola nengeta  nuevo registro  Paraguay  Viudita Enmascarada