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1910
Descriptions and Records of Bees - XXV, T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees - XXVI, T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees - XXVII, T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees - XXVIII, T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees - XXXI, T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees - XXXII, T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees - XXXIII, T. D. A. Cockerell; Annals and Magazine of Natural History
New American Bees - IX, T. D. A. Cockerell; The Entomologist
New and Little-Known Bees, T. D. A. Cockerell; Trans. American Entomological Society
New and Little-Known Western Bees, T. D. A. Cockerell; Entomological News
New Bees of the Genus Osmia from California, T. D. A. Cockerell; Entomological News
Some Australian Bees in the Berlin Museum, T. D. A. Cockerell; Journal New York Entomological Society
Some Bees from Eldora, Colorado, T. D. A. Cockerell; Psyche
Some Bees from High Altitudes in the Himilaya Mountains, T. D. A. Cockerell; The Entomologist
Some Bees of the Genus Augochlora from the West Indies, T. D. A. Cockerell; Proceedings of the United States National Museum
Some Bees of the Genus Nomada From Washington State, T. D. A. Cockerell; Psyche
Some Insects from Steamboat Springs, Colo. - I, T. D. A. Cockerell; The Canadian Entomologist
Some Insects from Steamboat Springs, Colo. - II, T. D. A. Cockerell; The Canadian Entomologist
Some Neotropical Bees, T. D. A. Cockerell; Psyche
Some New American Bees, T. D. A. Cockerell; The Canadian Entomologist
The Bee Fauna of Calgary, Alberta, T. D. A. Cockerell; The Canadian Entomologist
The North American Bees of the Genus Nomia, T. D. A. Cockerell; Proceedings of the United States National Museum
An Introduction to the Study of Rocky Mountain Bees, T. D. A. Cockerell and W. W. Robbins; University of Colorado Studies
A new Anthidium from New Jersey, J. C. Crawford; Entomological News
New Hymenoptera from the Phillipine Islands, J. C. Crawford; Proceedings of the United States National Museum
Notas de Biologíca Entomológica, Manuel M. de la Escalera; Asociación Española para el Progreso de Ciencias Congreso de Zaragoza
Contribution a la Connaissance de la Faune Hyménoptérologique Du Nord-Est du Brésil III. Hyménoptères Récoltés dans l'Etat de Ceara en 1909 et Suppléments aux Deux Listes Antérieures, Adolf Ducke; Rev. Ent. Caen
Bombus mendax Gerst and its Variation, A. S. Skorikov; Revue Russe d'Entom.
Geometrical Notes. A New Cingilia., L. W. Swett; Psyche
1909
Beitrag zur Kenntnis der Apidenfauna von Ostpreußen, J. D. Alfken; Sonder-Abdruck aus den Schriften der Physik-okom. Gesellschaft zu Konigsberg
Uber einige von Fabricius, Illiger und Erichson benannte Prosopis- und Halictus-Arten, J. D. Alfken; Deutsch. Ent. Zeitschr.
Zur Kenntnis einiger palaarktischer Bienen und Beschreibung zweier neuer Arten. (Hym.), J. D. Alfken; Deutsch. Ent. Zeitschr.
Zwei turkestanische Prosopis-Arten (Hymenoptera, Prosophidae), J. D. Alfken
Studies in Oxybelidae I, Carl F. Baker; Pomona College Journal of Entomology
Bouwstoffen Voor de Hymenopteren-Fauna Van Belgie, Joseph Bequaert; 13 Vlaamsch Natuur- en Geneeskundig Congres
Die Nestanlage von Xylocopa frontalis Oliv., A. W. Bertoni and C. Schrottky; Entomologischen Rundschau
Ruwenzori expedition reports No. 13 Hymenoptera, C. T. Bingham; Tr. Zool. Soc.
Mutilla schencki Schmiedeknecht., H. Bischoff; Berl. Etom. Zietschrift
Neue Beiträge zur Lebensweise der Trigonaloiden., H. Bischoff; Berl. Etom. Zietschrift
A Monographic Revision of the Coleoptera Belonging to the Tenebrionide Tribe Eleodiini Inhabiting the United States, Lower California, and Adjacent Islands, Frank E. Blaisdell Sr.
Le "Sans de la Direction" Chez les Abeilles, Gaston Bonnier; C. R. Acad. Sci. de France
Alfalfa in Cultivated Rows for Seed Production in Semiarid Regions, Charles J. Brand and J. M. Westgate
Hymenoptera Paraguayensis, Juan Bréthes; Anal. Mus. Nac. Buenos Aires
Description of a New Parasitic Bee (Nomada) from Borneo, Peter Cameron; The Entomologist
On Some Diplopteryga from the Southwest of North America, Peter Cameron; Pomona Journal of Entomology
On Some Undescribed Bees and Wasps Captured by Lieut.-Colonel C. G. Nurse in India, Peter Cameron; Journal of the Bombay Natural History Society
On some undescribed Indian Bees (Tetralonia, Megachile and Halictus) (Hym.), Peter Cameron; Deutsch. Ent. Zeitschr.
A Catalogue of the Generic Names Based on American Insects and Arachnids from the Tertiary Rocks, with Indications of the Type Species, T. D. A. Cockerell; Bulletin of the American Museum of Natural History
A New Bee of the Genus Halictus from the Argentine, T. D. A. Cockerell; Flora og Fauna
A New Bee of the Genus Megachile from Africa, T. D. A. Cockerell; The Entomologist
Descriptions and Records of Bees.—XXI., T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees.—XXII., T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees.—XXIII., T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions of Hymenoptera from Baltic Amber, T. D. A. Cockerell; Physikalisch-ökonomischen Gesellschaft
Descriptions of Some Bees in the U.S. National Museum, T. D. A. Cockerell; Proceedings of the United States National Museum
Descriptions of Tertiary Insects. Part VI., T. D. A. Cockerell; American Journal of Science
New North American Bees, T. D. A. Cockerell; The Canadian Entomologist
Notes Upon Variation of Melissodes Lupina Cresson, T. D. A. Cockerell; Kansas Academy of Science
Some Anthidiine Bees, T. D. A. Cockerell; Entomological News
Some European Bees, T. D. A. Cockerell; The Entomologist's Record
Some New Bees, and Other Notes, T. D. A. Cockerell; The Canadian Entomologist
Some New Bees of the Genus Coelioxys, T. D. A. Cockerell; Entomological News
Three New Anthophorid Bees From Texas, T. D. A. Cockerell; The Entomologist
Two Fossil Bees, T. D. A. Cockerell; Entomological News
Two New Bees, T. D. A. Cockerell; The Canadian Entomologist
Two New Bees of the Genus Perdita, Visiting Baileya in New Mexico, T. D. A. Cockerell; The Canadian Entomologist
On the Fauna and the Geographical Distribution of Bumblebees (Gen. Bombus) in Northern Caucasus, A. S. Skorikov
1908
Ueber einige von Arnold beschriebene Bienen, J. D. Alfken; Aus der Zeitschrift fur Hymenopterologie und Dipterologie
Tweede bijdrage tot de kennis onzer Hymenopterenfauna, Joseph Bequaert; Elfde Vlaamsch Natuur- en Geneeskundig Congres
A Contribution to the Aculeate Hymenoptera of the Bombay Presidency, Peter Cameron; Journal of the Bombay Natural History Society
A Contribution to the Aculeate Hymenoptera of the Bombay Presidency (Cont.), Peter Cameron; Journal of the Bombay Natural History Society
A New Pseudagenia from Sikkim, Peter Cameron; The Entomologist
A New Species of Tremex (Siricidae) from Borneo, Peter Cameron; The Entomologist
Description of a New Genus and Species of Cryptinae (Ichneumonidae) from Borneo, Peter Cameron; The Entomologist
Description of a New Species of Ceratina from Borneo, Peter Cameron; The Entomologist
Description of a New Species of Megachile from India, Peter Cameron; The Entomologist
Description of a New Species of Sawfly (Selandria) from Borneo, Peter Cameron; The Entomologist
On Some Bornean Species of Trigona (Apidae), Peter Cameron; The Entomologist
On Three Undescribed Fossorial Hymenoptera (Crabro and Psen) from Borneo, Peter Cameron; The Entomologist
A Deceptive Bee, T. D. A. Cockerell; Proceedings of the Entomological Society of Washington
A Fossil Leaf-Cutting Bee, T. D. A. Cockerell; The Canadian Entomologist
A New Bee from Tahiti, T. D. A. Cockerell; Entomological News
A New Name in Megachile, T. D. A. Cockerell; The Canadian Entomologist
A New Subgenus of African Bees, T. D. A. Cockerell; The Entomologist
Bees of the Genus Nomada, Belonging to the Group of N. depressa Cresson, T. D. A. Cockerell; Entomological News
Descriptions and Records of Bees.— XIX., T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees.— XVIII., T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees.— XX., T. D. A. Cockerell; Annals and Magazine of Natural History
New American Bees.— VI., T. D. A. Cockerell; The Entomologist
New American Bees.— VII., T. D. A. Cockerell; The Entomologist
New and Little Known Bees, T. D. A. Cockerell; The Canadian Entomologist
New and Little-Known Bees, T. D. A. Cockerell; The Canadian Entomologist
Notes on the Bee-Genus Exaerete, T. D. A. Cockerell; Psyche
Some Bees Collected by Mr. F. C. Pratt in Texas, T. D. A. Cockerell; Proceedings of the Entomological Society of Washington
Some Bees of the Genus Halictus, T. D. A. Cockerell; Proceedings of the Entomological Society of Washington
Some Results of the Florissant Expedition of 1908, T. D. A. Cockerell; The American Naturalist
Three New Bees of the Genus Nomada, T. D. A. Cockerell; Proceedings of the Entomological Society of Washington
Two New Mutillidae From Colorado, T. D. A. Cockerell and S. A. Rohwer; Psyche
Catalogue Systematique et Biologique des Hymenopteres de France (Paris), Jules de Gaulle; La Feuille des Jeunes Naturalistes (Cahiers des Naturalistes)
Catalogue Systematique et Biologique des Hymenopteres de France, S. de Gaulle; Zool. Rec