• The structure and some aspects of development of the onychophoran head 

  Butt, Ferdinand H. (1959)
• Two new species of Calamaria from Borneo 

  Cochran, Doris M. (1923)
• Selaginella funiformis, a new species in the S. rupestris group 

  Van Eseltine, G. P. (1917)
• List of plants collected by Dr. Edward Palmer in 1890 in Lower California and western Mexico, at La Paz, San Pedro Martin Island, Raza Island, Santa Rosalia and Santa Agneda, and Guaymas 

  Vasey, George; Rose, J. N. (1890)
• Identity of Thomomys umbrinus (Richardson) 

  Bailey, Vernon (1906)
• Opinions rendered by the International Commission on Zoological Nomenclature. Opinions 98-104 

  Nomenclature, International Commission on Zoological (1928)
• Scientific writings of Joseph Henry. Volume 2 

  Henry, Joseph (1886)
• A select bibliography of chemistry 1492-1897. First supplement. 

  Bolton, Henry Carrington (1899)
• Smithsonian physical tables 

  Gray, Thomas (1896)
• Cambrian Geology and Paleontology II: No 13--Dikelocephalus and other genera of the Dikelocephalinae 

  Walcott, Charles D. (1914)
• Cambrian Geology and Paleontology II: No 12--Cambrian formations of the Robson Peak District, British Columbia and Alberta, Canada 

  Walcott, Charles D. (1913)
• Cambrian Geology and Paleontology II: No--11 new Lower Cambrian subfauna 

  Walcott, Charles D. (1913)
• Cambrian Geology and Paleontology II: No 10--group terms for the lower and upper Cambrian series of formations 

  Walcott, Charles D. (1912)
• Cambrian Geology and Paleontology II: No 9--New York Potsdam-Hoyt fauna 

  Walcott, Charles D. (1912)
• Cambrian Geology and Paleontology II: No 8--The Sardinian Cambrian genus Olenopsis 

  Walcott, Charles D. (1912)
• Cambrian Geology and Paleontology II: No 7--Cambro-ordovician boundary in British Columbia with description of fossils 

  Walcott, Charles D. (1912)
• Cambrian Geology and Paleontology II: No 6--Middle Cambrian Branchiopdada, Malocrastraca, Trilobita, and Merostomata 

  Walcott, Charles D. (1912)
• Cambrian Geology and Paleontology II: No.5--Middle Cambrian Annelids 

  Walcott, Charles D. (1911)
• Cambrian Geology and Paleontology II: No. 4--Cambrian Faunas of China 

  Walcott, Charles D. (1911)
• Cambrian Geology and Paleontology II: No. 3--Middle Cambrian Holothurians and Medusae 

  Walcott, Charles D. (1911)

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